Ubiquity  2.0.3
php rapid development framework
jquery-3.1.0.js
Go to the documentation of this file.
1 /*eslint-disable no-unused-vars*/
2 /*!
3  * jQuery JavaScript Library v3.1.0
4  * https://jquery.com/
5  *
6  * Includes Sizzle.js
7  * https://sizzlejs.com/
8  *
9  * Copyright jQuery Foundation and other contributors
10  * Released under the MIT license
11  * https://jquery.org/license
12  *
13  * Date: 2016-07-07T21:44Z
14  */
15 ( function( global, factory ) {
16 
17  "use strict";
18 
19  if ( typeof module === "object" && typeof module.exports === "object" ) {
20 
21  // For CommonJS and CommonJS-like environments where a proper `window`
22  // is present, execute the factory and get jQuery.
23  // For environments that do not have a `window` with a `document`
24  // (such as Node.js), expose a factory as module.exports.
25  // This accentuates the need for the creation of a real `window`.
26  // e.g. var jQuery = require("jquery")(window);
27  // See ticket #14549 for more info.
28  module.exports = global.document ?
29  factory( global, true ) :
30  function( w ) {
31  if ( !w.document ) {
32  throw new Error( "jQuery requires a window with a document" );
33  }
34  return factory( w );
35  };
36  } else {
37  factory( global );
38  }
39 
40 // Pass this if window is not defined yet
41 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
42 
43 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
44 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
45 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
46 // enough that all such attempts are guarded in a try block.
47 "use strict";
48 
49 var arr = [];
50 
51 var document = window.document;
52 
53 var getProto = Object.getPrototypeOf;
54 
55 var slice = arr.slice;
56 
57 var concat = arr.concat;
58 
59 var push = arr.push;
60 
61 var indexOf = arr.indexOf;
62 
63 var class2type = {};
64 
65 var toString = class2type.toString;
66 
67 var hasOwn = class2type.hasOwnProperty;
68 
69 var fnToString = hasOwn.toString;
70 
71 var ObjectFunctionString = fnToString.call( Object );
72 
73 var support = {};
74 
75 
76 
77  function DOMEval( code, doc ) {
78  doc = doc || document;
79 
80  var script = doc.createElement( "script" );
81 
82  script.text = code;
83  doc.head.appendChild( script ).parentNode.removeChild( script );
84  }
85 /* global Symbol */
86 // Defining this global in .eslintrc would create a danger of using the global
87 // unguarded in another place, it seems safer to define global only for this module
88 
89 
90 
91 var
92  version = "3.1.0",
93 
94  // Define a local copy of jQuery
95  jQuery = function( selector, context ) {
96 
97  // The jQuery object is actually just the init constructor 'enhanced'
98  // Need init if jQuery is called (just allow error to be thrown if not included)
99  return new jQuery.fn.init( selector, context );
100  },
101 
102  // Support: Android <=4.0 only
103  // Make sure we trim BOM and NBSP
104  rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
105 
106  // Matches dashed string for camelizing
107  rmsPrefix = /^-ms-/,
108  rdashAlpha = /-([a-z])/g,
109 
110  // Used by jQuery.camelCase as callback to replace()
111  fcamelCase = function( all, letter ) {
112  return letter.toUpperCase();
113  };
114 
115 jQuery.fn = jQuery.prototype = {
116 
117  // The current version of jQuery being used
118  jquery: version,
119 
120  constructor: jQuery,
121 
122  // The default length of a jQuery object is 0
123  length: 0,
124 
125  toArray: function() {
126  return slice.call( this );
127  },
128 
129  // Get the Nth element in the matched element set OR
130  // Get the whole matched element set as a clean array
131  get: function( num ) {
132  return num != null ?
133 
134  // Return just the one element from the set
135  ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
136 
137  // Return all the elements in a clean array
138  slice.call( this );
139  },
140 
141  // Take an array of elements and push it onto the stack
142  // (returning the new matched element set)
143  pushStack: function( elems ) {
144 
145  // Build a new jQuery matched element set
146  var ret = jQuery.merge( this.constructor(), elems );
147 
148  // Add the old object onto the stack (as a reference)
149  ret.prevObject = this;
150 
151  // Return the newly-formed element set
152  return ret;
153  },
154 
155  // Execute a callback for every element in the matched set.
156  each: function( callback ) {
157  return jQuery.each( this, callback );
158  },
159 
160  map: function( callback ) {
161  return this.pushStack( jQuery.map( this, function( elem, i ) {
162  return callback.call( elem, i, elem );
163  } ) );
164  },
165 
166  slice: function() {
167  return this.pushStack( slice.apply( this, arguments ) );
168  },
169 
170  first: function() {
171  return this.eq( 0 );
172  },
173 
174  last: function() {
175  return this.eq( -1 );
176  },
177 
178  eq: function( i ) {
179  var len = this.length,
180  j = +i + ( i < 0 ? len : 0 );
181  return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
182  },
183 
184  end: function() {
185  return this.prevObject || this.constructor();
186  },
187 
188  // For internal use only.
189  // Behaves like an Array's method, not like a jQuery method.
190  push: push,
191  sort: arr.sort,
192  splice: arr.splice
193 };
194 
195 jQuery.extend = jQuery.fn.extend = function() {
196  var options, name, src, copy, copyIsArray, clone,
197  target = arguments[ 0 ] || {},
198  i = 1,
199  length = arguments.length,
200  deep = false;
201 
202  // Handle a deep copy situation
203  if ( typeof target === "boolean" ) {
204  deep = target;
205 
206  // Skip the boolean and the target
207  target = arguments[ i ] || {};
208  i++;
209  }
210 
211  // Handle case when target is a string or something (possible in deep copy)
212  if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
213  target = {};
214  }
215 
216  // Extend jQuery itself if only one argument is passed
217  if ( i === length ) {
218  target = this;
219  i--;
220  }
221 
222  for ( ; i < length; i++ ) {
223 
224  // Only deal with non-null/undefined values
225  if ( ( options = arguments[ i ] ) != null ) {
226 
227  // Extend the base object
228  for ( name in options ) {
229  src = target[ name ];
230  copy = options[ name ];
231 
232  // Prevent never-ending loop
233  if ( target === copy ) {
234  continue;
235  }
236 
237  // Recurse if we're merging plain objects or arrays
238  if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
239  ( copyIsArray = jQuery.isArray( copy ) ) ) ) {
240 
241  if ( copyIsArray ) {
242  copyIsArray = false;
243  clone = src && jQuery.isArray( src ) ? src : [];
244 
245  } else {
246  clone = src && jQuery.isPlainObject( src ) ? src : {};
247  }
248 
249  // Never move original objects, clone them
250  target[ name ] = jQuery.extend( deep, clone, copy );
251 
252  // Don't bring in undefined values
253  } else if ( copy !== undefined ) {
254  target[ name ] = copy;
255  }
256  }
257  }
258  }
259 
260  // Return the modified object
261  return target;
262 };
263 
264 jQuery.extend( {
265 
266  // Unique for each copy of jQuery on the page
267  expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
268 
269  // Assume jQuery is ready without the ready module
270  isReady: true,
271 
272  error: function( msg ) {
273  throw new Error( msg );
274  },
275 
276  noop: function() {},
277 
278  isFunction: function( obj ) {
279  return jQuery.type( obj ) === "function";
280  },
281 
282  isArray: Array.isArray,
283 
284  isWindow: function( obj ) {
285  return obj != null && obj === obj.window;
286  },
287 
288  isNumeric: function( obj ) {
289 
290  // As of jQuery 3.0, isNumeric is limited to
291  // strings and numbers (primitives or objects)
292  // that can be coerced to finite numbers (gh-2662)
293  var type = jQuery.type( obj );
294  return ( type === "number" || type === "string" ) &&
295 
296  // parseFloat NaNs numeric-cast false positives ("")
297  // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
298  // subtraction forces infinities to NaN
299  !isNaN( obj - parseFloat( obj ) );
300  },
301 
302  isPlainObject: function( obj ) {
303  var proto, Ctor;
304 
305  // Detect obvious negatives
306  // Use toString instead of jQuery.type to catch host objects
307  if ( !obj || toString.call( obj ) !== "[object Object]" ) {
308  return false;
309  }
310 
311  proto = getProto( obj );
312 
313  // Objects with no prototype (e.g., `Object.create( null )`) are plain
314  if ( !proto ) {
315  return true;
316  }
317 
318  // Objects with prototype are plain iff they were constructed by a global Object function
319  Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
320  return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
321  },
322 
323  isEmptyObject: function( obj ) {
324 
325  /* eslint-disable no-unused-vars */
326  // See https://github.com/eslint/eslint/issues/6125
327  var name;
328 
329  for ( name in obj ) {
330  return false;
331  }
332  return true;
333  },
334 
335  type: function( obj ) {
336  if ( obj == null ) {
337  return obj + "";
338  }
339 
340  // Support: Android <=2.3 only (functionish RegExp)
341  return typeof obj === "object" || typeof obj === "function" ?
342  class2type[ toString.call( obj ) ] || "object" :
343  typeof obj;
344  },
345 
346  // Evaluates a script in a global context
347  globalEval: function( code ) {
348  DOMEval( code );
349  },
350 
351  // Convert dashed to camelCase; used by the css and data modules
352  // Support: IE <=9 - 11, Edge 12 - 13
353  // Microsoft forgot to hump their vendor prefix (#9572)
354  camelCase: function( string ) {
355  return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
356  },
357 
358  nodeName: function( elem, name ) {
359  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
360  },
361 
362  each: function( obj, callback ) {
363  var length, i = 0;
364 
365  if ( isArrayLike( obj ) ) {
366  length = obj.length;
367  for ( ; i < length; i++ ) {
368  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
369  break;
370  }
371  }
372  } else {
373  for ( i in obj ) {
374  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
375  break;
376  }
377  }
378  }
379 
380  return obj;
381  },
382 
383  // Support: Android <=4.0 only
384  trim: function( text ) {
385  return text == null ?
386  "" :
387  ( text + "" ).replace( rtrim, "" );
388  },
389 
390  // results is for internal usage only
391  makeArray: function( arr, results ) {
392  var ret = results || [];
393 
394  if ( arr != null ) {
395  if ( isArrayLike( Object( arr ) ) ) {
396  jQuery.merge( ret,
397  typeof arr === "string" ?
398  [ arr ] : arr
399  );
400  } else {
401  push.call( ret, arr );
402  }
403  }
404 
405  return ret;
406  },
407 
408  inArray: function( elem, arr, i ) {
409  return arr == null ? -1 : indexOf.call( arr, elem, i );
410  },
411 
412  // Support: Android <=4.0 only, PhantomJS 1 only
413  // push.apply(_, arraylike) throws on ancient WebKit
414  merge: function( first, second ) {
415  var len = +second.length,
416  j = 0,
417  i = first.length;
418 
419  for ( ; j < len; j++ ) {
420  first[ i++ ] = second[ j ];
421  }
422 
423  first.length = i;
424 
425  return first;
426  },
427 
428  grep: function( elems, callback, invert ) {
429  var callbackInverse,
430  matches = [],
431  i = 0,
432  length = elems.length,
433  callbackExpect = !invert;
434 
435  // Go through the array, only saving the items
436  // that pass the validator function
437  for ( ; i < length; i++ ) {
438  callbackInverse = !callback( elems[ i ], i );
439  if ( callbackInverse !== callbackExpect ) {
440  matches.push( elems[ i ] );
441  }
442  }
443 
444  return matches;
445  },
446 
447  // arg is for internal usage only
448  map: function( elems, callback, arg ) {
449  var length, value,
450  i = 0,
451  ret = [];
452 
453  // Go through the array, translating each of the items to their new values
454  if ( isArrayLike( elems ) ) {
455  length = elems.length;
456  for ( ; i < length; i++ ) {
457  value = callback( elems[ i ], i, arg );
458 
459  if ( value != null ) {
460  ret.push( value );
461  }
462  }
463 
464  // Go through every key on the object,
465  } else {
466  for ( i in elems ) {
467  value = callback( elems[ i ], i, arg );
468 
469  if ( value != null ) {
470  ret.push( value );
471  }
472  }
473  }
474 
475  // Flatten any nested arrays
476  return concat.apply( [], ret );
477  },
478 
479  // A global GUID counter for objects
480  guid: 1,
481 
482  // Bind a function to a context, optionally partially applying any
483  // arguments.
484  proxy: function( fn, context ) {
485  var tmp, args, proxy;
486 
487  if ( typeof context === "string" ) {
488  tmp = fn[ context ];
489  context = fn;
490  fn = tmp;
491  }
492 
493  // Quick check to determine if target is callable, in the spec
494  // this throws a TypeError, but we will just return undefined.
495  if ( !jQuery.isFunction( fn ) ) {
496  return undefined;
497  }
498 
499  // Simulated bind
500  args = slice.call( arguments, 2 );
501  proxy = function() {
502  return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
503  };
504 
505  // Set the guid of unique handler to the same of original handler, so it can be removed
506  proxy.guid = fn.guid = fn.guid || jQuery.guid++;
507 
508  return proxy;
509  },
510 
511  now: Date.now,
512 
513  // jQuery.support is not used in Core but other projects attach their
514  // properties to it so it needs to exist.
515  support: support
516 } );
517 
518 if ( typeof Symbol === "function" ) {
519  jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
520 }
521 
522 // Populate the class2type map
523 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
524 function( i, name ) {
525  class2type[ "[object " + name + "]" ] = name.toLowerCase();
526 } );
527 
528 function isArrayLike( obj ) {
529 
530  // Support: real iOS 8.2 only (not reproducible in simulator)
531  // `in` check used to prevent JIT error (gh-2145)
532  // hasOwn isn't used here due to false negatives
533  // regarding Nodelist length in IE
534  var length = !!obj && "length" in obj && obj.length,
535  type = jQuery.type( obj );
536 
537  if ( type === "function" || jQuery.isWindow( obj ) ) {
538  return false;
539  }
540 
541  return type === "array" || length === 0 ||
542  typeof length === "number" && length > 0 && ( length - 1 ) in obj;
543 }
544 var Sizzle =
545 /*!
546  * Sizzle CSS Selector Engine v2.3.0
547  * https://sizzlejs.com/
548  *
549  * Copyright jQuery Foundation and other contributors
550  * Released under the MIT license
551  * http://jquery.org/license
552  *
553  * Date: 2016-01-04
554  */
555 (function( window ) {
556 
557 var i,
558  support,
559  Expr,
560  getText,
561  isXML,
562  tokenize,
563  compile,
564  select,
565  outermostContext,
566  sortInput,
567  hasDuplicate,
568 
569  // Local document vars
570  setDocument,
571  document,
572  docElem,
573  documentIsHTML,
574  rbuggyQSA,
575  rbuggyMatches,
576  matches,
577  contains,
578 
579  // Instance-specific data
580  expando = "sizzle" + 1 * new Date(),
581  preferredDoc = window.document,
582  dirruns = 0,
583  done = 0,
584  classCache = createCache(),
585  tokenCache = createCache(),
586  compilerCache = createCache(),
587  sortOrder = function( a, b ) {
588  if ( a === b ) {
589  hasDuplicate = true;
590  }
591  return 0;
592  },
593 
594  // Instance methods
595  hasOwn = ({}).hasOwnProperty,
596  arr = [],
597  pop = arr.pop,
598  push_native = arr.push,
599  push = arr.push,
600  slice = arr.slice,
601  // Use a stripped-down indexOf as it's faster than native
602  // https://jsperf.com/thor-indexof-vs-for/5
603  indexOf = function( list, elem ) {
604  var i = 0,
605  len = list.length;
606  for ( ; i < len; i++ ) {
607  if ( list[i] === elem ) {
608  return i;
609  }
610  }
611  return -1;
612  },
613 
614  booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
615 
616  // Regular expressions
617 
618  // http://www.w3.org/TR/css3-selectors/#whitespace
619  whitespace = "[\\x20\\t\\r\\n\\f]",
620 
621  // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
622  identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
623 
624  // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
625  attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
626  // Operator (capture 2)
627  "*([*^$|!~]?=)" + whitespace +
628  // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
629  "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
630  "*\\]",
631 
632  pseudos = ":(" + identifier + ")(?:\\((" +
633  // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
634  // 1. quoted (capture 3; capture 4 or capture 5)
635  "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
636  // 2. simple (capture 6)
637  "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
638  // 3. anything else (capture 2)
639  ".*" +
640  ")\\)|)",
641 
642  // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
643  rwhitespace = new RegExp( whitespace + "+", "g" ),
644  rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
645 
646  rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
647  rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
648 
649  rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
650 
651  rpseudo = new RegExp( pseudos ),
652  ridentifier = new RegExp( "^" + identifier + "$" ),
653 
654  matchExpr = {
655  "ID": new RegExp( "^#(" + identifier + ")" ),
656  "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
657  "TAG": new RegExp( "^(" + identifier + "|[*])" ),
658  "ATTR": new RegExp( "^" + attributes ),
659  "PSEUDO": new RegExp( "^" + pseudos ),
660  "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
661  "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
662  "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
663  "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
664  // For use in libraries implementing .is()
665  // We use this for POS matching in `select`
666  "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
667  whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
668  },
669 
670  rinputs = /^(?:input|select|textarea|button)$/i,
671  rheader = /^h\d$/i,
672 
673  rnative = /^[^{]+\{\s*\[native \w/,
674 
675  // Easily-parseable/retrievable ID or TAG or CLASS selectors
676  rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
677 
678  rsibling = /[+~]/,
679 
680  // CSS escapes
681  // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
682  runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
683  funescape = function( _, escaped, escapedWhitespace ) {
684  var high = "0x" + escaped - 0x10000;
685  // NaN means non-codepoint
686  // Support: Firefox<24
687  // Workaround erroneous numeric interpretation of +"0x"
688  return high !== high || escapedWhitespace ?
689  escaped :
690  high < 0 ?
691  // BMP codepoint
692  String.fromCharCode( high + 0x10000 ) :
693  // Supplemental Plane codepoint (surrogate pair)
694  String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
695  },
696 
697  // CSS string/identifier serialization
698  // https://drafts.csswg.org/cssom/#common-serializing-idioms
699  rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g,
700  fcssescape = function( ch, asCodePoint ) {
701  if ( asCodePoint ) {
702 
703  // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
704  if ( ch === "\0" ) {
705  return "\uFFFD";
706  }
707 
708  // Control characters and (dependent upon position) numbers get escaped as code points
709  return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
710  }
711 
712  // Other potentially-special ASCII characters get backslash-escaped
713  return "\\" + ch;
714  },
715 
716  // Used for iframes
717  // See setDocument()
718  // Removing the function wrapper causes a "Permission Denied"
719  // error in IE
720  unloadHandler = function() {
721  setDocument();
722  },
723 
724  disabledAncestor = addCombinator(
725  function( elem ) {
726  return elem.disabled === true;
727  },
728  { dir: "parentNode", next: "legend" }
729  );
730 
731 // Optimize for push.apply( _, NodeList )
732 try {
733  push.apply(
734  (arr = slice.call( preferredDoc.childNodes )),
735  preferredDoc.childNodes
736  );
737  // Support: Android<4.0
738  // Detect silently failing push.apply
739  arr[ preferredDoc.childNodes.length ].nodeType;
740 } catch ( e ) {
741  push = { apply: arr.length ?
742 
743  // Leverage slice if possible
744  function( target, els ) {
745  push_native.apply( target, slice.call(els) );
746  } :
747 
748  // Support: IE<9
749  // Otherwise append directly
750  function( target, els ) {
751  var j = target.length,
752  i = 0;
753  // Can't trust NodeList.length
754  while ( (target[j++] = els[i++]) ) {}
755  target.length = j - 1;
756  }
757  };
758 }
759 
760 function Sizzle( selector, context, results, seed ) {
761  var m, i, elem, nid, match, groups, newSelector,
762  newContext = context && context.ownerDocument,
763 
764  // nodeType defaults to 9, since context defaults to document
765  nodeType = context ? context.nodeType : 9;
766 
767  results = results || [];
768 
769  // Return early from calls with invalid selector or context
770  if ( typeof selector !== "string" || !selector ||
771  nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
772 
773  return results;
774  }
775 
776  // Try to shortcut find operations (as opposed to filters) in HTML documents
777  if ( !seed ) {
778 
779  if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
780  setDocument( context );
781  }
782  context = context || document;
783 
784  if ( documentIsHTML ) {
785 
786  // If the selector is sufficiently simple, try using a "get*By*" DOM method
787  // (excepting DocumentFragment context, where the methods don't exist)
788  if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
789 
790  // ID selector
791  if ( (m = match[1]) ) {
792 
793  // Document context
794  if ( nodeType === 9 ) {
795  if ( (elem = context.getElementById( m )) ) {
796 
797  // Support: IE, Opera, Webkit
798  // TODO: identify versions
799  // getElementById can match elements by name instead of ID
800  if ( elem.id === m ) {
801  results.push( elem );
802  return results;
803  }
804  } else {
805  return results;
806  }
807 
808  // Element context
809  } else {
810 
811  // Support: IE, Opera, Webkit
812  // TODO: identify versions
813  // getElementById can match elements by name instead of ID
814  if ( newContext && (elem = newContext.getElementById( m )) &&
815  contains( context, elem ) &&
816  elem.id === m ) {
817 
818  results.push( elem );
819  return results;
820  }
821  }
822 
823  // Type selector
824  } else if ( match[2] ) {
825  push.apply( results, context.getElementsByTagName( selector ) );
826  return results;
827 
828  // Class selector
829  } else if ( (m = match[3]) && support.getElementsByClassName &&
830  context.getElementsByClassName ) {
831 
832  push.apply( results, context.getElementsByClassName( m ) );
833  return results;
834  }
835  }
836 
837  // Take advantage of querySelectorAll
838  if ( support.qsa &&
839  !compilerCache[ selector + " " ] &&
840  (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
841 
842  if ( nodeType !== 1 ) {
843  newContext = context;
844  newSelector = selector;
845 
846  // qSA looks outside Element context, which is not what we want
847  // Thanks to Andrew Dupont for this workaround technique
848  // Support: IE <=8
849  // Exclude object elements
850  } else if ( context.nodeName.toLowerCase() !== "object" ) {
851 
852  // Capture the context ID, setting it first if necessary
853  if ( (nid = context.getAttribute( "id" )) ) {
854  nid = nid.replace( rcssescape, fcssescape );
855  } else {
856  context.setAttribute( "id", (nid = expando) );
857  }
858 
859  // Prefix every selector in the list
860  groups = tokenize( selector );
861  i = groups.length;
862  while ( i-- ) {
863  groups[i] = "#" + nid + " " + toSelector( groups[i] );
864  }
865  newSelector = groups.join( "," );
866 
867  // Expand context for sibling selectors
868  newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
869  context;
870  }
871 
872  if ( newSelector ) {
873  try {
874  push.apply( results,
875  newContext.querySelectorAll( newSelector )
876  );
877  return results;
878  } catch ( qsaError ) {
879  } finally {
880  if ( nid === expando ) {
881  context.removeAttribute( "id" );
882  }
883  }
884  }
885  }
886  }
887  }
888 
889  // All others
890  return select( selector.replace( rtrim, "$1" ), context, results, seed );
891 }
892 
893 /**
894  * Create key-value caches of limited size
895  * @returns {function(string, object)} Returns the Object data after storing it on itself with
896  * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
897  * deleting the oldest entry
898  */
899 function createCache() {
900  var keys = [];
901 
902  function cache( key, value ) {
903  // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
904  if ( keys.push( key + " " ) > Expr.cacheLength ) {
905  // Only keep the most recent entries
906  delete cache[ keys.shift() ];
907  }
908  return (cache[ key + " " ] = value);
909  }
910  return cache;
911 }
912 
913 /**
914  * Mark a function for special use by Sizzle
915  * @param {Function} fn The function to mark
916  */
917 function markFunction( fn ) {
918  fn[ expando ] = true;
919  return fn;
920 }
921 
922 /**
923  * Support testing using an element
924  * @param {Function} fn Passed the created element and returns a boolean result
925  */
926 function assert( fn ) {
927  var el = document.createElement("fieldset");
928 
929  try {
930  return !!fn( el );
931  } catch (e) {
932  return false;
933  } finally {
934  // Remove from its parent by default
935  if ( el.parentNode ) {
936  el.parentNode.removeChild( el );
937  }
938  // release memory in IE
939  el = null;
940  }
941 }
942 
943 /**
944  * Adds the same handler for all of the specified attrs
945  * @param {String} attrs Pipe-separated list of attributes
946  * @param {Function} handler The method that will be applied
947  */
948 function addHandle( attrs, handler ) {
949  var arr = attrs.split("|"),
950  i = arr.length;
951 
952  while ( i-- ) {
953  Expr.attrHandle[ arr[i] ] = handler;
954  }
955 }
956 
957 /**
958  * Checks document order of two siblings
959  * @param {Element} a
960  * @param {Element} b
961  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
962  */
963 function siblingCheck( a, b ) {
964  var cur = b && a,
965  diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
966  a.sourceIndex - b.sourceIndex;
967 
968  // Use IE sourceIndex if available on both nodes
969  if ( diff ) {
970  return diff;
971  }
972 
973  // Check if b follows a
974  if ( cur ) {
975  while ( (cur = cur.nextSibling) ) {
976  if ( cur === b ) {
977  return -1;
978  }
979  }
980  }
981 
982  return a ? 1 : -1;
983 }
984 
985 /**
986  * Returns a function to use in pseudos for input types
987  * @param {String} type
988  */
989 function createInputPseudo( type ) {
990  return function( elem ) {
991  var name = elem.nodeName.toLowerCase();
992  return name === "input" && elem.type === type;
993  };
994 }
995 
996 /**
997  * Returns a function to use in pseudos for buttons
998  * @param {String} type
999  */
1000 function createButtonPseudo( type ) {
1001  return function( elem ) {
1002  var name = elem.nodeName.toLowerCase();
1003  return (name === "input" || name === "button") && elem.type === type;
1004  };
1005 }
1006 
1007 /**
1008  * Returns a function to use in pseudos for :enabled/:disabled
1009  * @param {Boolean} disabled true for :disabled; false for :enabled
1010  */
1011 function createDisabledPseudo( disabled ) {
1012  // Known :disabled false positives:
1013  // IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset)
1014  // not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1015  return function( elem ) {
1016 
1017  // Check form elements and option elements for explicit disabling
1018  return "label" in elem && elem.disabled === disabled ||
1019  "form" in elem && elem.disabled === disabled ||
1020 
1021  // Check non-disabled form elements for fieldset[disabled] ancestors
1022  "form" in elem && elem.disabled === false && (
1023  // Support: IE6-11+
1024  // Ancestry is covered for us
1025  elem.isDisabled === disabled ||
1026 
1027  // Otherwise, assume any non-<option> under fieldset[disabled] is disabled
1028  /* jshint -W018 */
1029  elem.isDisabled !== !disabled &&
1030  ("label" in elem || !disabledAncestor( elem )) !== disabled
1031  );
1032  };
1033 }
1034 
1035 /**
1036  * Returns a function to use in pseudos for positionals
1037  * @param {Function} fn
1038  */
1039 function createPositionalPseudo( fn ) {
1040  return markFunction(function( argument ) {
1041  argument = +argument;
1042  return markFunction(function( seed, matches ) {
1043  var j,
1044  matchIndexes = fn( [], seed.length, argument ),
1045  i = matchIndexes.length;
1046 
1047  // Match elements found at the specified indexes
1048  while ( i-- ) {
1049  if ( seed[ (j = matchIndexes[i]) ] ) {
1050  seed[j] = !(matches[j] = seed[j]);
1051  }
1052  }
1053  });
1054  });
1055 }
1056 
1057 /**
1058  * Checks a node for validity as a Sizzle context
1059  * @param {Element|Object=} context
1060  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1061  */
1062 function testContext( context ) {
1063  return context && typeof context.getElementsByTagName !== "undefined" && context;
1064 }
1065 
1066 // Expose support vars for convenience
1067 support = Sizzle.support = {};
1068 
1069 /**
1070  * Detects XML nodes
1071  * @param {Element|Object} elem An element or a document
1072  * @returns {Boolean} True iff elem is a non-HTML XML node
1073  */
1074 isXML = Sizzle.isXML = function( elem ) {
1075  // documentElement is verified for cases where it doesn't yet exist
1076  // (such as loading iframes in IE - #4833)
1077  var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1078  return documentElement ? documentElement.nodeName !== "HTML" : false;
1079 };
1080 
1081 /**
1082  * Sets document-related variables once based on the current document
1083  * @param {Element|Object} [doc] An element or document object to use to set the document
1084  * @returns {Object} Returns the current document
1085  */
1086 setDocument = Sizzle.setDocument = function( node ) {
1087  var hasCompare, subWindow,
1088  doc = node ? node.ownerDocument || node : preferredDoc;
1089 
1090  // Return early if doc is invalid or already selected
1091  if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1092  return document;
1093  }
1094 
1095  // Update global variables
1096  document = doc;
1097  docElem = document.documentElement;
1098  documentIsHTML = !isXML( document );
1099 
1100  // Support: IE 9-11, Edge
1101  // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1102  if ( preferredDoc !== document &&
1103  (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1104 
1105  // Support: IE 11, Edge
1106  if ( subWindow.addEventListener ) {
1107  subWindow.addEventListener( "unload", unloadHandler, false );
1108 
1109  // Support: IE 9 - 10 only
1110  } else if ( subWindow.attachEvent ) {
1111  subWindow.attachEvent( "onunload", unloadHandler );
1112  }
1113  }
1114 
1115  /* Attributes
1116  ---------------------------------------------------------------------- */
1117 
1118  // Support: IE<8
1119  // Verify that getAttribute really returns attributes and not properties
1120  // (excepting IE8 booleans)
1121  support.attributes = assert(function( el ) {
1122  el.className = "i";
1123  return !el.getAttribute("className");
1124  });
1125 
1126  /* getElement(s)By*
1127  ---------------------------------------------------------------------- */
1128 
1129  // Check if getElementsByTagName("*") returns only elements
1130  support.getElementsByTagName = assert(function( el ) {
1131  el.appendChild( document.createComment("") );
1132  return !el.getElementsByTagName("*").length;
1133  });
1134 
1135  // Support: IE<9
1136  support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1137 
1138  // Support: IE<10
1139  // Check if getElementById returns elements by name
1140  // The broken getElementById methods don't pick up programmatically-set names,
1141  // so use a roundabout getElementsByName test
1142  support.getById = assert(function( el ) {
1143  docElem.appendChild( el ).id = expando;
1144  return !document.getElementsByName || !document.getElementsByName( expando ).length;
1145  });
1146 
1147  // ID find and filter
1148  if ( support.getById ) {
1149  Expr.find["ID"] = function( id, context ) {
1150  if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1151  var m = context.getElementById( id );
1152  return m ? [ m ] : [];
1153  }
1154  };
1155  Expr.filter["ID"] = function( id ) {
1156  var attrId = id.replace( runescape, funescape );
1157  return function( elem ) {
1158  return elem.getAttribute("id") === attrId;
1159  };
1160  };
1161  } else {
1162  // Support: IE6/7
1163  // getElementById is not reliable as a find shortcut
1164  delete Expr.find["ID"];
1165 
1166  Expr.filter["ID"] = function( id ) {
1167  var attrId = id.replace( runescape, funescape );
1168  return function( elem ) {
1169  var node = typeof elem.getAttributeNode !== "undefined" &&
1170  elem.getAttributeNode("id");
1171  return node && node.value === attrId;
1172  };
1173  };
1174  }
1175 
1176  // Tag
1177  Expr.find["TAG"] = support.getElementsByTagName ?
1178  function( tag, context ) {
1179  if ( typeof context.getElementsByTagName !== "undefined" ) {
1180  return context.getElementsByTagName( tag );
1181 
1182  // DocumentFragment nodes don't have gEBTN
1183  } else if ( support.qsa ) {
1184  return context.querySelectorAll( tag );
1185  }
1186  } :
1187 
1188  function( tag, context ) {
1189  var elem,
1190  tmp = [],
1191  i = 0,
1192  // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1193  results = context.getElementsByTagName( tag );
1194 
1195  // Filter out possible comments
1196  if ( tag === "*" ) {
1197  while ( (elem = results[i++]) ) {
1198  if ( elem.nodeType === 1 ) {
1199  tmp.push( elem );
1200  }
1201  }
1202 
1203  return tmp;
1204  }
1205  return results;
1206  };
1207 
1208  // Class
1209  Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1210  if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1211  return context.getElementsByClassName( className );
1212  }
1213  };
1214 
1215  /* QSA/matchesSelector
1216  ---------------------------------------------------------------------- */
1217 
1218  // QSA and matchesSelector support
1219 
1220  // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1221  rbuggyMatches = [];
1222 
1223  // qSa(:focus) reports false when true (Chrome 21)
1224  // We allow this because of a bug in IE8/9 that throws an error
1225  // whenever `document.activeElement` is accessed on an iframe
1226  // So, we allow :focus to pass through QSA all the time to avoid the IE error
1227  // See https://bugs.jquery.com/ticket/13378
1228  rbuggyQSA = [];
1229 
1230  if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1231  // Build QSA regex
1232  // Regex strategy adopted from Diego Perini
1233  assert(function( el ) {
1234  // Select is set to empty string on purpose
1235  // This is to test IE's treatment of not explicitly
1236  // setting a boolean content attribute,
1237  // since its presence should be enough
1238  // https://bugs.jquery.com/ticket/12359
1239  docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1240  "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1241  "<option selected=''></option></select>";
1242 
1243  // Support: IE8, Opera 11-12.16
1244  // Nothing should be selected when empty strings follow ^= or $= or *=
1245  // The test attribute must be unknown in Opera but "safe" for WinRT
1246  // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1247  if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1248  rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1249  }
1250 
1251  // Support: IE8
1252  // Boolean attributes and "value" are not treated correctly
1253  if ( !el.querySelectorAll("[selected]").length ) {
1254  rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1255  }
1256 
1257  // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1258  if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1259  rbuggyQSA.push("~=");
1260  }
1261 
1262  // Webkit/Opera - :checked should return selected option elements
1263  // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1264  // IE8 throws error here and will not see later tests
1265  if ( !el.querySelectorAll(":checked").length ) {
1266  rbuggyQSA.push(":checked");
1267  }
1268 
1269  // Support: Safari 8+, iOS 8+
1270  // https://bugs.webkit.org/show_bug.cgi?id=136851
1271  // In-page `selector#id sibling-combinator selector` fails
1272  if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1273  rbuggyQSA.push(".#.+[+~]");
1274  }
1275  });
1276 
1277  assert(function( el ) {
1278  el.innerHTML = "<a href='' disabled='disabled'></a>" +
1279  "<select disabled='disabled'><option/></select>";
1280 
1281  // Support: Windows 8 Native Apps
1282  // The type and name attributes are restricted during .innerHTML assignment
1283  var input = document.createElement("input");
1284  input.setAttribute( "type", "hidden" );
1285  el.appendChild( input ).setAttribute( "name", "D" );
1286 
1287  // Support: IE8
1288  // Enforce case-sensitivity of name attribute
1289  if ( el.querySelectorAll("[name=d]").length ) {
1290  rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1291  }
1292 
1293  // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1294  // IE8 throws error here and will not see later tests
1295  if ( el.querySelectorAll(":enabled").length !== 2 ) {
1296  rbuggyQSA.push( ":enabled", ":disabled" );
1297  }
1298 
1299  // Support: IE9-11+
1300  // IE's :disabled selector does not pick up the children of disabled fieldsets
1301  docElem.appendChild( el ).disabled = true;
1302  if ( el.querySelectorAll(":disabled").length !== 2 ) {
1303  rbuggyQSA.push( ":enabled", ":disabled" );
1304  }
1305 
1306  // Opera 10-11 does not throw on post-comma invalid pseudos
1307  el.querySelectorAll("*,:x");
1308  rbuggyQSA.push(",.*:");
1309  });
1310  }
1311 
1312  if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1313  docElem.webkitMatchesSelector ||
1314  docElem.mozMatchesSelector ||
1315  docElem.oMatchesSelector ||
1316  docElem.msMatchesSelector) )) ) {
1317 
1318  assert(function( el ) {
1319  // Check to see if it's possible to do matchesSelector
1320  // on a disconnected node (IE 9)
1321  support.disconnectedMatch = matches.call( el, "*" );
1322 
1323  // This should fail with an exception
1324  // Gecko does not error, returns false instead
1325  matches.call( el, "[s!='']:x" );
1326  rbuggyMatches.push( "!=", pseudos );
1327  });
1328  }
1329 
1330  rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1331  rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1332 
1333  /* Contains
1334  ---------------------------------------------------------------------- */
1335  hasCompare = rnative.test( docElem.compareDocumentPosition );
1336 
1337  // Element contains another
1338  // Purposefully self-exclusive
1339  // As in, an element does not contain itself
1340  contains = hasCompare || rnative.test( docElem.contains ) ?
1341  function( a, b ) {
1342  var adown = a.nodeType === 9 ? a.documentElement : a,
1343  bup = b && b.parentNode;
1344  return a === bup || !!( bup && bup.nodeType === 1 && (
1345  adown.contains ?
1346  adown.contains( bup ) :
1347  a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1348  ));
1349  } :
1350  function( a, b ) {
1351  if ( b ) {
1352  while ( (b = b.parentNode) ) {
1353  if ( b === a ) {
1354  return true;
1355  }
1356  }
1357  }
1358  return false;
1359  };
1360 
1361  /* Sorting
1362  ---------------------------------------------------------------------- */
1363 
1364  // Document order sorting
1365  sortOrder = hasCompare ?
1366  function( a, b ) {
1367 
1368  // Flag for duplicate removal
1369  if ( a === b ) {
1370  hasDuplicate = true;
1371  return 0;
1372  }
1373 
1374  // Sort on method existence if only one input has compareDocumentPosition
1375  var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1376  if ( compare ) {
1377  return compare;
1378  }
1379 
1380  // Calculate position if both inputs belong to the same document
1381  compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1382  a.compareDocumentPosition( b ) :
1383 
1384  // Otherwise we know they are disconnected
1385  1;
1386 
1387  // Disconnected nodes
1388  if ( compare & 1 ||
1389  (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1390 
1391  // Choose the first element that is related to our preferred document
1392  if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1393  return -1;
1394  }
1395  if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1396  return 1;
1397  }
1398 
1399  // Maintain original order
1400  return sortInput ?
1401  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1402  0;
1403  }
1404 
1405  return compare & 4 ? -1 : 1;
1406  } :
1407  function( a, b ) {
1408  // Exit early if the nodes are identical
1409  if ( a === b ) {
1410  hasDuplicate = true;
1411  return 0;
1412  }
1413 
1414  var cur,
1415  i = 0,
1416  aup = a.parentNode,
1417  bup = b.parentNode,
1418  ap = [ a ],
1419  bp = [ b ];
1420 
1421  // Parentless nodes are either documents or disconnected
1422  if ( !aup || !bup ) {
1423  return a === document ? -1 :
1424  b === document ? 1 :
1425  aup ? -1 :
1426  bup ? 1 :
1427  sortInput ?
1428  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1429  0;
1430 
1431  // If the nodes are siblings, we can do a quick check
1432  } else if ( aup === bup ) {
1433  return siblingCheck( a, b );
1434  }
1435 
1436  // Otherwise we need full lists of their ancestors for comparison
1437  cur = a;
1438  while ( (cur = cur.parentNode) ) {
1439  ap.unshift( cur );
1440  }
1441  cur = b;
1442  while ( (cur = cur.parentNode) ) {
1443  bp.unshift( cur );
1444  }
1445 
1446  // Walk down the tree looking for a discrepancy
1447  while ( ap[i] === bp[i] ) {
1448  i++;
1449  }
1450 
1451  return i ?
1452  // Do a sibling check if the nodes have a common ancestor
1453  siblingCheck( ap[i], bp[i] ) :
1454 
1455  // Otherwise nodes in our document sort first
1456  ap[i] === preferredDoc ? -1 :
1457  bp[i] === preferredDoc ? 1 :
1458  0;
1459  };
1460 
1461  return document;
1462 };
1463 
1464 Sizzle.matches = function( expr, elements ) {
1465  return Sizzle( expr, null, null, elements );
1466 };
1467 
1468 Sizzle.matchesSelector = function( elem, expr ) {
1469  // Set document vars if needed
1470  if ( ( elem.ownerDocument || elem ) !== document ) {
1471  setDocument( elem );
1472  }
1473 
1474  // Make sure that attribute selectors are quoted
1475  expr = expr.replace( rattributeQuotes, "='$1']" );
1476 
1477  if ( support.matchesSelector && documentIsHTML &&
1478  !compilerCache[ expr + " " ] &&
1479  ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1480  ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1481 
1482  try {
1483  var ret = matches.call( elem, expr );
1484 
1485  // IE 9's matchesSelector returns false on disconnected nodes
1486  if ( ret || support.disconnectedMatch ||
1487  // As well, disconnected nodes are said to be in a document
1488  // fragment in IE 9
1489  elem.document && elem.document.nodeType !== 11 ) {
1490  return ret;
1491  }
1492  } catch (e) {}
1493  }
1494 
1495  return Sizzle( expr, document, null, [ elem ] ).length > 0;
1496 };
1497 
1498 Sizzle.contains = function( context, elem ) {
1499  // Set document vars if needed
1500  if ( ( context.ownerDocument || context ) !== document ) {
1501  setDocument( context );
1502  }
1503  return contains( context, elem );
1504 };
1505 
1506 Sizzle.attr = function( elem, name ) {
1507  // Set document vars if needed
1508  if ( ( elem.ownerDocument || elem ) !== document ) {
1509  setDocument( elem );
1510  }
1511 
1512  var fn = Expr.attrHandle[ name.toLowerCase() ],
1513  // Don't get fooled by Object.prototype properties (jQuery #13807)
1514  val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1515  fn( elem, name, !documentIsHTML ) :
1516  undefined;
1517 
1518  return val !== undefined ?
1519  val :
1520  support.attributes || !documentIsHTML ?
1521  elem.getAttribute( name ) :
1522  (val = elem.getAttributeNode(name)) && val.specified ?
1523  val.value :
1524  null;
1525 };
1526 
1527 Sizzle.escape = function( sel ) {
1528  return (sel + "").replace( rcssescape, fcssescape );
1529 };
1530 
1531 Sizzle.error = function( msg ) {
1532  throw new Error( "Syntax error, unrecognized expression: " + msg );
1533 };
1534 
1535 /**
1536  * Document sorting and removing duplicates
1537  * @param {ArrayLike} results
1538  */
1539 Sizzle.uniqueSort = function( results ) {
1540  var elem,
1541  duplicates = [],
1542  j = 0,
1543  i = 0;
1544 
1545  // Unless we *know* we can detect duplicates, assume their presence
1546  hasDuplicate = !support.detectDuplicates;
1547  sortInput = !support.sortStable && results.slice( 0 );
1548  results.sort( sortOrder );
1549 
1550  if ( hasDuplicate ) {
1551  while ( (elem = results[i++]) ) {
1552  if ( elem === results[ i ] ) {
1553  j = duplicates.push( i );
1554  }
1555  }
1556  while ( j-- ) {
1557  results.splice( duplicates[ j ], 1 );
1558  }
1559  }
1560 
1561  // Clear input after sorting to release objects
1562  // See https://github.com/jquery/sizzle/pull/225
1563  sortInput = null;
1564 
1565  return results;
1566 };
1567 
1568 /**
1569  * Utility function for retrieving the text value of an array of DOM nodes
1570  * @param {Array|Element} elem
1571  */
1572 getText = Sizzle.getText = function( elem ) {
1573  var node,
1574  ret = "",
1575  i = 0,
1576  nodeType = elem.nodeType;
1577 
1578  if ( !nodeType ) {
1579  // If no nodeType, this is expected to be an array
1580  while ( (node = elem[i++]) ) {
1581  // Do not traverse comment nodes
1582  ret += getText( node );
1583  }
1584  } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1585  // Use textContent for elements
1586  // innerText usage removed for consistency of new lines (jQuery #11153)
1587  if ( typeof elem.textContent === "string" ) {
1588  return elem.textContent;
1589  } else {
1590  // Traverse its children
1591  for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1592  ret += getText( elem );
1593  }
1594  }
1595  } else if ( nodeType === 3 || nodeType === 4 ) {
1596  return elem.nodeValue;
1597  }
1598  // Do not include comment or processing instruction nodes
1599 
1600  return ret;
1601 };
1602 
1603 Expr = Sizzle.selectors = {
1604 
1605  // Can be adjusted by the user
1606  cacheLength: 50,
1607 
1608  createPseudo: markFunction,
1609 
1610  match: matchExpr,
1611 
1612  attrHandle: {},
1613 
1614  find: {},
1615 
1616  relative: {
1617  ">": { dir: "parentNode", first: true },
1618  " ": { dir: "parentNode" },
1619  "+": { dir: "previousSibling", first: true },
1620  "~": { dir: "previousSibling" }
1621  },
1622 
1623  preFilter: {
1624  "ATTR": function( match ) {
1625  match[1] = match[1].replace( runescape, funescape );
1626 
1627  // Move the given value to match[3] whether quoted or unquoted
1628  match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1629 
1630  if ( match[2] === "~=" ) {
1631  match[3] = " " + match[3] + " ";
1632  }
1633 
1634  return match.slice( 0, 4 );
1635  },
1636 
1637  "CHILD": function( match ) {
1638  /* matches from matchExpr["CHILD"]
1639  1 type (only|nth|...)
1640  2 what (child|of-type)
1641  3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1642  4 xn-component of xn+y argument ([+-]?\d*n|)
1643  5 sign of xn-component
1644  6 x of xn-component
1645  7 sign of y-component
1646  8 y of y-component
1647  */
1648  match[1] = match[1].toLowerCase();
1649 
1650  if ( match[1].slice( 0, 3 ) === "nth" ) {
1651  // nth-* requires argument
1652  if ( !match[3] ) {
1653  Sizzle.error( match[0] );
1654  }
1655 
1656  // numeric x and y parameters for Expr.filter.CHILD
1657  // remember that false/true cast respectively to 0/1
1658  match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1659  match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1660 
1661  // other types prohibit arguments
1662  } else if ( match[3] ) {
1663  Sizzle.error( match[0] );
1664  }
1665 
1666  return match;
1667  },
1668 
1669  "PSEUDO": function( match ) {
1670  var excess,
1671  unquoted = !match[6] && match[2];
1672 
1673  if ( matchExpr["CHILD"].test( match[0] ) ) {
1674  return null;
1675  }
1676 
1677  // Accept quoted arguments as-is
1678  if ( match[3] ) {
1679  match[2] = match[4] || match[5] || "";
1680 
1681  // Strip excess characters from unquoted arguments
1682  } else if ( unquoted && rpseudo.test( unquoted ) &&
1683  // Get excess from tokenize (recursively)
1684  (excess = tokenize( unquoted, true )) &&
1685  // advance to the next closing parenthesis
1686  (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1687 
1688  // excess is a negative index
1689  match[0] = match[0].slice( 0, excess );
1690  match[2] = unquoted.slice( 0, excess );
1691  }
1692 
1693  // Return only captures needed by the pseudo filter method (type and argument)
1694  return match.slice( 0, 3 );
1695  }
1696  },
1697 
1698  filter: {
1699 
1700  "TAG": function( nodeNameSelector ) {
1701  var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1702  return nodeNameSelector === "*" ?
1703  function() { return true; } :
1704  function( elem ) {
1705  return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1706  };
1707  },
1708 
1709  "CLASS": function( className ) {
1710  var pattern = classCache[ className + " " ];
1711 
1712  return pattern ||
1713  (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1714  classCache( className, function( elem ) {
1715  return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1716  });
1717  },
1718 
1719  "ATTR": function( name, operator, check ) {
1720  return function( elem ) {
1721  var result = Sizzle.attr( elem, name );
1722 
1723  if ( result == null ) {
1724  return operator === "!=";
1725  }
1726  if ( !operator ) {
1727  return true;
1728  }
1729 
1730  result += "";
1731 
1732  return operator === "=" ? result === check :
1733  operator === "!=" ? result !== check :
1734  operator === "^=" ? check && result.indexOf( check ) === 0 :
1735  operator === "*=" ? check && result.indexOf( check ) > -1 :
1736  operator === "$=" ? check && result.slice( -check.length ) === check :
1737  operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1738  operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1739  false;
1740  };
1741  },
1742 
1743  "CHILD": function( type, what, argument, first, last ) {
1744  var simple = type.slice( 0, 3 ) !== "nth",
1745  forward = type.slice( -4 ) !== "last",
1746  ofType = what === "of-type";
1747 
1748  return first === 1 && last === 0 ?
1749 
1750  // Shortcut for :nth-*(n)
1751  function( elem ) {
1752  return !!elem.parentNode;
1753  } :
1754 
1755  function( elem, context, xml ) {
1756  var cache, uniqueCache, outerCache, node, nodeIndex, start,
1757  dir = simple !== forward ? "nextSibling" : "previousSibling",
1758  parent = elem.parentNode,
1759  name = ofType && elem.nodeName.toLowerCase(),
1760  useCache = !xml && !ofType,
1761  diff = false;
1762 
1763  if ( parent ) {
1764 
1765  // :(first|last|only)-(child|of-type)
1766  if ( simple ) {
1767  while ( dir ) {
1768  node = elem;
1769  while ( (node = node[ dir ]) ) {
1770  if ( ofType ?
1771  node.nodeName.toLowerCase() === name :
1772  node.nodeType === 1 ) {
1773 
1774  return false;
1775  }
1776  }
1777  // Reverse direction for :only-* (if we haven't yet done so)
1778  start = dir = type === "only" && !start && "nextSibling";
1779  }
1780  return true;
1781  }
1782 
1783  start = [ forward ? parent.firstChild : parent.lastChild ];
1784 
1785  // non-xml :nth-child(...) stores cache data on `parent`
1786  if ( forward && useCache ) {
1787 
1788  // Seek `elem` from a previously-cached index
1789 
1790  // ...in a gzip-friendly way
1791  node = parent;
1792  outerCache = node[ expando ] || (node[ expando ] = {});
1793 
1794  // Support: IE <9 only
1795  // Defend against cloned attroperties (jQuery gh-1709)
1796  uniqueCache = outerCache[ node.uniqueID ] ||
1797  (outerCache[ node.uniqueID ] = {});
1798 
1799  cache = uniqueCache[ type ] || [];
1800  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1801  diff = nodeIndex && cache[ 2 ];
1802  node = nodeIndex && parent.childNodes[ nodeIndex ];
1803 
1804  while ( (node = ++nodeIndex && node && node[ dir ] ||
1805 
1806  // Fallback to seeking `elem` from the start
1807  (diff = nodeIndex = 0) || start.pop()) ) {
1808 
1809  // When found, cache indexes on `parent` and break
1810  if ( node.nodeType === 1 && ++diff && node === elem ) {
1811  uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1812  break;
1813  }
1814  }
1815 
1816  } else {
1817  // Use previously-cached element index if available
1818  if ( useCache ) {
1819  // ...in a gzip-friendly way
1820  node = elem;
1821  outerCache = node[ expando ] || (node[ expando ] = {});
1822 
1823  // Support: IE <9 only
1824  // Defend against cloned attroperties (jQuery gh-1709)
1825  uniqueCache = outerCache[ node.uniqueID ] ||
1826  (outerCache[ node.uniqueID ] = {});
1827 
1828  cache = uniqueCache[ type ] || [];
1829  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1830  diff = nodeIndex;
1831  }
1832 
1833  // xml :nth-child(...)
1834  // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1835  if ( diff === false ) {
1836  // Use the same loop as above to seek `elem` from the start
1837  while ( (node = ++nodeIndex && node && node[ dir ] ||
1838  (diff = nodeIndex = 0) || start.pop()) ) {
1839 
1840  if ( ( ofType ?
1841  node.nodeName.toLowerCase() === name :
1842  node.nodeType === 1 ) &&
1843  ++diff ) {
1844 
1845  // Cache the index of each encountered element
1846  if ( useCache ) {
1847  outerCache = node[ expando ] || (node[ expando ] = {});
1848 
1849  // Support: IE <9 only
1850  // Defend against cloned attroperties (jQuery gh-1709)
1851  uniqueCache = outerCache[ node.uniqueID ] ||
1852  (outerCache[ node.uniqueID ] = {});
1853 
1854  uniqueCache[ type ] = [ dirruns, diff ];
1855  }
1856 
1857  if ( node === elem ) {
1858  break;
1859  }
1860  }
1861  }
1862  }
1863  }
1864 
1865  // Incorporate the offset, then check against cycle size
1866  diff -= last;
1867  return diff === first || ( diff % first === 0 && diff / first >= 0 );
1868  }
1869  };
1870  },
1871 
1872  "PSEUDO": function( pseudo, argument ) {
1873  // pseudo-class names are case-insensitive
1874  // http://www.w3.org/TR/selectors/#pseudo-classes
1875  // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1876  // Remember that setFilters inherits from pseudos
1877  var args,
1878  fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1879  Sizzle.error( "unsupported pseudo: " + pseudo );
1880 
1881  // The user may use createPseudo to indicate that
1882  // arguments are needed to create the filter function
1883  // just as Sizzle does
1884  if ( fn[ expando ] ) {
1885  return fn( argument );
1886  }
1887 
1888  // But maintain support for old signatures
1889  if ( fn.length > 1 ) {
1890  args = [ pseudo, pseudo, "", argument ];
1891  return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1892  markFunction(function( seed, matches ) {
1893  var idx,
1894  matched = fn( seed, argument ),
1895  i = matched.length;
1896  while ( i-- ) {
1897  idx = indexOf( seed, matched[i] );
1898  seed[ idx ] = !( matches[ idx ] = matched[i] );
1899  }
1900  }) :
1901  function( elem ) {
1902  return fn( elem, 0, args );
1903  };
1904  }
1905 
1906  return fn;
1907  }
1908  },
1909 
1910  pseudos: {
1911  // Potentially complex pseudos
1912  "not": markFunction(function( selector ) {
1913  // Trim the selector passed to compile
1914  // to avoid treating leading and trailing
1915  // spaces as combinators
1916  var input = [],
1917  results = [],
1918  matcher = compile( selector.replace( rtrim, "$1" ) );
1919 
1920  return matcher[ expando ] ?
1921  markFunction(function( seed, matches, context, xml ) {
1922  var elem,
1923  unmatched = matcher( seed, null, xml, [] ),
1924  i = seed.length;
1925 
1926  // Match elements unmatched by `matcher`
1927  while ( i-- ) {
1928  if ( (elem = unmatched[i]) ) {
1929  seed[i] = !(matches[i] = elem);
1930  }
1931  }
1932  }) :
1933  function( elem, context, xml ) {
1934  input[0] = elem;
1935  matcher( input, null, xml, results );
1936  // Don't keep the element (issue #299)
1937  input[0] = null;
1938  return !results.pop();
1939  };
1940  }),
1941 
1942  "has": markFunction(function( selector ) {
1943  return function( elem ) {
1944  return Sizzle( selector, elem ).length > 0;
1945  };
1946  }),
1947 
1948  "contains": markFunction(function( text ) {
1949  text = text.replace( runescape, funescape );
1950  return function( elem ) {
1951  return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1952  };
1953  }),
1954 
1955  // "Whether an element is represented by a :lang() selector
1956  // is based solely on the element's language value
1957  // being equal to the identifier C,
1958  // or beginning with the identifier C immediately followed by "-".
1959  // The matching of C against the element's language value is performed case-insensitively.
1960  // The identifier C does not have to be a valid language name."
1961  // http://www.w3.org/TR/selectors/#lang-pseudo
1962  "lang": markFunction( function( lang ) {
1963  // lang value must be a valid identifier
1964  if ( !ridentifier.test(lang || "") ) {
1965  Sizzle.error( "unsupported lang: " + lang );
1966  }
1967  lang = lang.replace( runescape, funescape ).toLowerCase();
1968  return function( elem ) {
1969  var elemLang;
1970  do {
1971  if ( (elemLang = documentIsHTML ?
1972  elem.lang :
1973  elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1974 
1975  elemLang = elemLang.toLowerCase();
1976  return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1977  }
1978  } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1979  return false;
1980  };
1981  }),
1982 
1983  // Miscellaneous
1984  "target": function( elem ) {
1985  var hash = window.location && window.location.hash;
1986  return hash && hash.slice( 1 ) === elem.id;
1987  },
1988 
1989  "root": function( elem ) {
1990  return elem === docElem;
1991  },
1992 
1993  "focus": function( elem ) {
1994  return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1995  },
1996 
1997  // Boolean properties
1998  "enabled": createDisabledPseudo( false ),
1999  "disabled": createDisabledPseudo( true ),
2000 
2001  "checked": function( elem ) {
2002  // In CSS3, :checked should return both checked and selected elements
2003  // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2004  var nodeName = elem.nodeName.toLowerCase();
2005  return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2006  },
2007 
2008  "selected": function( elem ) {
2009  // Accessing this property makes selected-by-default
2010  // options in Safari work properly
2011  if ( elem.parentNode ) {
2012  elem.parentNode.selectedIndex;
2013  }
2014 
2015  return elem.selected === true;
2016  },
2017 
2018  // Contents
2019  "empty": function( elem ) {
2020  // http://www.w3.org/TR/selectors/#empty-pseudo
2021  // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2022  // but not by others (comment: 8; processing instruction: 7; etc.)
2023  // nodeType < 6 works because attributes (2) do not appear as children
2024  for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2025  if ( elem.nodeType < 6 ) {
2026  return false;
2027  }
2028  }
2029  return true;
2030  },
2031 
2032  "parent": function( elem ) {
2033  return !Expr.pseudos["empty"]( elem );
2034  },
2035 
2036  // Element/input types
2037  "header": function( elem ) {
2038  return rheader.test( elem.nodeName );
2039  },
2040 
2041  "input": function( elem ) {
2042  return rinputs.test( elem.nodeName );
2043  },
2044 
2045  "button": function( elem ) {
2046  var name = elem.nodeName.toLowerCase();
2047  return name === "input" && elem.type === "button" || name === "button";
2048  },
2049 
2050  "text": function( elem ) {
2051  var attr;
2052  return elem.nodeName.toLowerCase() === "input" &&
2053  elem.type === "text" &&
2054 
2055  // Support: IE<8
2056  // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2057  ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2058  },
2059 
2060  // Position-in-collection
2061  "first": createPositionalPseudo(function() {
2062  return [ 0 ];
2063  }),
2064 
2065  "last": createPositionalPseudo(function( matchIndexes, length ) {
2066  return [ length - 1 ];
2067  }),
2068 
2069  "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2070  return [ argument < 0 ? argument + length : argument ];
2071  }),
2072 
2073  "even": createPositionalPseudo(function( matchIndexes, length ) {
2074  var i = 0;
2075  for ( ; i < length; i += 2 ) {
2076  matchIndexes.push( i );
2077  }
2078  return matchIndexes;
2079  }),
2080 
2081  "odd": createPositionalPseudo(function( matchIndexes, length ) {
2082  var i = 1;
2083  for ( ; i < length; i += 2 ) {
2084  matchIndexes.push( i );
2085  }
2086  return matchIndexes;
2087  }),
2088 
2089  "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2090  var i = argument < 0 ? argument + length : argument;
2091  for ( ; --i >= 0; ) {
2092  matchIndexes.push( i );
2093  }
2094  return matchIndexes;
2095  }),
2096 
2097  "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2098  var i = argument < 0 ? argument + length : argument;
2099  for ( ; ++i < length; ) {
2100  matchIndexes.push( i );
2101  }
2102  return matchIndexes;
2103  })
2104  }
2105 };
2106 
2107 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2108 
2109 // Add button/input type pseudos
2110 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2111  Expr.pseudos[ i ] = createInputPseudo( i );
2112 }
2113 for ( i in { submit: true, reset: true } ) {
2114  Expr.pseudos[ i ] = createButtonPseudo( i );
2115 }
2116 
2117 // Easy API for creating new setFilters
2118 function setFilters() {}
2119 setFilters.prototype = Expr.filters = Expr.pseudos;
2120 Expr.setFilters = new setFilters();
2121 
2122 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2123  var matched, match, tokens, type,
2124  soFar, groups, preFilters,
2125  cached = tokenCache[ selector + " " ];
2126 
2127  if ( cached ) {
2128  return parseOnly ? 0 : cached.slice( 0 );
2129  }
2130 
2131  soFar = selector;
2132  groups = [];
2133  preFilters = Expr.preFilter;
2134 
2135  while ( soFar ) {
2136 
2137  // Comma and first run
2138  if ( !matched || (match = rcomma.exec( soFar )) ) {
2139  if ( match ) {
2140  // Don't consume trailing commas as valid
2141  soFar = soFar.slice( match[0].length ) || soFar;
2142  }
2143  groups.push( (tokens = []) );
2144  }
2145 
2146  matched = false;
2147 
2148  // Combinators
2149  if ( (match = rcombinators.exec( soFar )) ) {
2150  matched = match.shift();
2151  tokens.push({
2152  value: matched,
2153  // Cast descendant combinators to space
2154  type: match[0].replace( rtrim, " " )
2155  });
2156  soFar = soFar.slice( matched.length );
2157  }
2158 
2159  // Filters
2160  for ( type in Expr.filter ) {
2161  if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2162  (match = preFilters[ type ]( match ))) ) {
2163  matched = match.shift();
2164  tokens.push({
2165  value: matched,
2166  type: type,
2167  matches: match
2168  });
2169  soFar = soFar.slice( matched.length );
2170  }
2171  }
2172 
2173  if ( !matched ) {
2174  break;
2175  }
2176  }
2177 
2178  // Return the length of the invalid excess
2179  // if we're just parsing
2180  // Otherwise, throw an error or return tokens
2181  return parseOnly ?
2182  soFar.length :
2183  soFar ?
2184  Sizzle.error( selector ) :
2185  // Cache the tokens
2186  tokenCache( selector, groups ).slice( 0 );
2187 };
2188 
2189 function toSelector( tokens ) {
2190  var i = 0,
2191  len = tokens.length,
2192  selector = "";
2193  for ( ; i < len; i++ ) {
2194  selector += tokens[i].value;
2195  }
2196  return selector;
2197 }
2198 
2199 function addCombinator( matcher, combinator, base ) {
2200  var dir = combinator.dir,
2201  skip = combinator.next,
2202  key = skip || dir,
2203  checkNonElements = base && key === "parentNode",
2204  doneName = done++;
2205 
2206  return combinator.first ?
2207  // Check against closest ancestor/preceding element
2208  function( elem, context, xml ) {
2209  while ( (elem = elem[ dir ]) ) {
2210  if ( elem.nodeType === 1 || checkNonElements ) {
2211  return matcher( elem, context, xml );
2212  }
2213  }
2214  } :
2215 
2216  // Check against all ancestor/preceding elements
2217  function( elem, context, xml ) {
2218  var oldCache, uniqueCache, outerCache,
2219  newCache = [ dirruns, doneName ];
2220 
2221  // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2222  if ( xml ) {
2223  while ( (elem = elem[ dir ]) ) {
2224  if ( elem.nodeType === 1 || checkNonElements ) {
2225  if ( matcher( elem, context, xml ) ) {
2226  return true;
2227  }
2228  }
2229  }
2230  } else {
2231  while ( (elem = elem[ dir ]) ) {
2232  if ( elem.nodeType === 1 || checkNonElements ) {
2233  outerCache = elem[ expando ] || (elem[ expando ] = {});
2234 
2235  // Support: IE <9 only
2236  // Defend against cloned attroperties (jQuery gh-1709)
2237  uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2238 
2239  if ( skip && skip === elem.nodeName.toLowerCase() ) {
2240  elem = elem[ dir ] || elem;
2241  } else if ( (oldCache = uniqueCache[ key ]) &&
2242  oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2243 
2244  // Assign to newCache so results back-propagate to previous elements
2245  return (newCache[ 2 ] = oldCache[ 2 ]);
2246  } else {
2247  // Reuse newcache so results back-propagate to previous elements
2248  uniqueCache[ key ] = newCache;
2249 
2250  // A match means we're done; a fail means we have to keep checking
2251  if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2252  return true;
2253  }
2254  }
2255  }
2256  }
2257  }
2258  };
2259 }
2260 
2261 function elementMatcher( matchers ) {
2262  return matchers.length > 1 ?
2263  function( elem, context, xml ) {
2264  var i = matchers.length;
2265  while ( i-- ) {
2266  if ( !matchers[i]( elem, context, xml ) ) {
2267  return false;
2268  }
2269  }
2270  return true;
2271  } :
2272  matchers[0];
2273 }
2274 
2275 function multipleContexts( selector, contexts, results ) {
2276  var i = 0,
2277  len = contexts.length;
2278  for ( ; i < len; i++ ) {
2279  Sizzle( selector, contexts[i], results );
2280  }
2281  return results;
2282 }
2283 
2284 function condense( unmatched, map, filter, context, xml ) {
2285  var elem,
2286  newUnmatched = [],
2287  i = 0,
2288  len = unmatched.length,
2289  mapped = map != null;
2290 
2291  for ( ; i < len; i++ ) {
2292  if ( (elem = unmatched[i]) ) {
2293  if ( !filter || filter( elem, context, xml ) ) {
2294  newUnmatched.push( elem );
2295  if ( mapped ) {
2296  map.push( i );
2297  }
2298  }
2299  }
2300  }
2301 
2302  return newUnmatched;
2303 }
2304 
2305 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2306  if ( postFilter && !postFilter[ expando ] ) {
2307  postFilter = setMatcher( postFilter );
2308  }
2309  if ( postFinder && !postFinder[ expando ] ) {
2310  postFinder = setMatcher( postFinder, postSelector );
2311  }
2312  return markFunction(function( seed, results, context, xml ) {
2313  var temp, i, elem,
2314  preMap = [],
2315  postMap = [],
2316  preexisting = results.length,
2317 
2318  // Get initial elements from seed or context
2319  elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2320 
2321  // Prefilter to get matcher input, preserving a map for seed-results synchronization
2322  matcherIn = preFilter && ( seed || !selector ) ?
2323  condense( elems, preMap, preFilter, context, xml ) :
2324  elems,
2325 
2326  matcherOut = matcher ?
2327  // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2328  postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2329 
2330  // ...intermediate processing is necessary
2331  [] :
2332 
2333  // ...otherwise use results directly
2334  results :
2335  matcherIn;
2336 
2337  // Find primary matches
2338  if ( matcher ) {
2339  matcher( matcherIn, matcherOut, context, xml );
2340  }
2341 
2342  // Apply postFilter
2343  if ( postFilter ) {
2344  temp = condense( matcherOut, postMap );
2345  postFilter( temp, [], context, xml );
2346 
2347  // Un-match failing elements by moving them back to matcherIn
2348  i = temp.length;
2349  while ( i-- ) {
2350  if ( (elem = temp[i]) ) {
2351  matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2352  }
2353  }
2354  }
2355 
2356  if ( seed ) {
2357  if ( postFinder || preFilter ) {
2358  if ( postFinder ) {
2359  // Get the final matcherOut by condensing this intermediate into postFinder contexts
2360  temp = [];
2361  i = matcherOut.length;
2362  while ( i-- ) {
2363  if ( (elem = matcherOut[i]) ) {
2364  // Restore matcherIn since elem is not yet a final match
2365  temp.push( (matcherIn[i] = elem) );
2366  }
2367  }
2368  postFinder( null, (matcherOut = []), temp, xml );
2369  }
2370 
2371  // Move matched elements from seed to results to keep them synchronized
2372  i = matcherOut.length;
2373  while ( i-- ) {
2374  if ( (elem = matcherOut[i]) &&
2375  (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2376 
2377  seed[temp] = !(results[temp] = elem);
2378  }
2379  }
2380  }
2381 
2382  // Add elements to results, through postFinder if defined
2383  } else {
2384  matcherOut = condense(
2385  matcherOut === results ?
2386  matcherOut.splice( preexisting, matcherOut.length ) :
2387  matcherOut
2388  );
2389  if ( postFinder ) {
2390  postFinder( null, results, matcherOut, xml );
2391  } else {
2392  push.apply( results, matcherOut );
2393  }
2394  }
2395  });
2396 }
2397 
2398 function matcherFromTokens( tokens ) {
2399  var checkContext, matcher, j,
2400  len = tokens.length,
2401  leadingRelative = Expr.relative[ tokens[0].type ],
2402  implicitRelative = leadingRelative || Expr.relative[" "],
2403  i = leadingRelative ? 1 : 0,
2404 
2405  // The foundational matcher ensures that elements are reachable from top-level context(s)
2406  matchContext = addCombinator( function( elem ) {
2407  return elem === checkContext;
2408  }, implicitRelative, true ),
2409  matchAnyContext = addCombinator( function( elem ) {
2410  return indexOf( checkContext, elem ) > -1;
2411  }, implicitRelative, true ),
2412  matchers = [ function( elem, context, xml ) {
2413  var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2414  (checkContext = context).nodeType ?
2415  matchContext( elem, context, xml ) :
2416  matchAnyContext( elem, context, xml ) );
2417  // Avoid hanging onto element (issue #299)
2418  checkContext = null;
2419  return ret;
2420  } ];
2421 
2422  for ( ; i < len; i++ ) {
2423  if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2424  matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2425  } else {
2426  matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2427 
2428  // Return special upon seeing a positional matcher
2429  if ( matcher[ expando ] ) {
2430  // Find the next relative operator (if any) for proper handling
2431  j = ++i;
2432  for ( ; j < len; j++ ) {
2433  if ( Expr.relative[ tokens[j].type ] ) {
2434  break;
2435  }
2436  }
2437  return setMatcher(
2438  i > 1 && elementMatcher( matchers ),
2439  i > 1 && toSelector(
2440  // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2441  tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2442  ).replace( rtrim, "$1" ),
2443  matcher,
2444  i < j && matcherFromTokens( tokens.slice( i, j ) ),
2445  j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2446  j < len && toSelector( tokens )
2447  );
2448  }
2449  matchers.push( matcher );
2450  }
2451  }
2452 
2453  return elementMatcher( matchers );
2454 }
2455 
2456 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2457  var bySet = setMatchers.length > 0,
2458  byElement = elementMatchers.length > 0,
2459  superMatcher = function( seed, context, xml, results, outermost ) {
2460  var elem, j, matcher,
2461  matchedCount = 0,
2462  i = "0",
2463  unmatched = seed && [],
2464  setMatched = [],
2465  contextBackup = outermostContext,
2466  // We must always have either seed elements or outermost context
2467  elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2468  // Use integer dirruns iff this is the outermost matcher
2469  dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2470  len = elems.length;
2471 
2472  if ( outermost ) {
2473  outermostContext = context === document || context || outermost;
2474  }
2475 
2476  // Add elements passing elementMatchers directly to results
2477  // Support: IE<9, Safari
2478  // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2479  for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2480  if ( byElement && elem ) {
2481  j = 0;
2482  if ( !context && elem.ownerDocument !== document ) {
2483  setDocument( elem );
2484  xml = !documentIsHTML;
2485  }
2486  while ( (matcher = elementMatchers[j++]) ) {
2487  if ( matcher( elem, context || document, xml) ) {
2488  results.push( elem );
2489  break;
2490  }
2491  }
2492  if ( outermost ) {
2493  dirruns = dirrunsUnique;
2494  }
2495  }
2496 
2497  // Track unmatched elements for set filters
2498  if ( bySet ) {
2499  // They will have gone through all possible matchers
2500  if ( (elem = !matcher && elem) ) {
2501  matchedCount--;
2502  }
2503 
2504  // Lengthen the array for every element, matched or not
2505  if ( seed ) {
2506  unmatched.push( elem );
2507  }
2508  }
2509  }
2510 
2511  // `i` is now the count of elements visited above, and adding it to `matchedCount`
2512  // makes the latter nonnegative.
2513  matchedCount += i;
2514 
2515  // Apply set filters to unmatched elements
2516  // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2517  // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2518  // no element matchers and no seed.
2519  // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2520  // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2521  // numerically zero.
2522  if ( bySet && i !== matchedCount ) {
2523  j = 0;
2524  while ( (matcher = setMatchers[j++]) ) {
2525  matcher( unmatched, setMatched, context, xml );
2526  }
2527 
2528  if ( seed ) {
2529  // Reintegrate element matches to eliminate the need for sorting
2530  if ( matchedCount > 0 ) {
2531  while ( i-- ) {
2532  if ( !(unmatched[i] || setMatched[i]) ) {
2533  setMatched[i] = pop.call( results );
2534  }
2535  }
2536  }
2537 
2538  // Discard index placeholder values to get only actual matches
2539  setMatched = condense( setMatched );
2540  }
2541 
2542  // Add matches to results
2543  push.apply( results, setMatched );
2544 
2545  // Seedless set matches succeeding multiple successful matchers stipulate sorting
2546  if ( outermost && !seed && setMatched.length > 0 &&
2547  ( matchedCount + setMatchers.length ) > 1 ) {
2548 
2549  Sizzle.uniqueSort( results );
2550  }
2551  }
2552 
2553  // Override manipulation of globals by nested matchers
2554  if ( outermost ) {
2555  dirruns = dirrunsUnique;
2556  outermostContext = contextBackup;
2557  }
2558 
2559  return unmatched;
2560  };
2561 
2562  return bySet ?
2563  markFunction( superMatcher ) :
2564  superMatcher;
2565 }
2566 
2567 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2568  var i,
2569  setMatchers = [],
2570  elementMatchers = [],
2571  cached = compilerCache[ selector + " " ];
2572 
2573  if ( !cached ) {
2574  // Generate a function of recursive functions that can be used to check each element
2575  if ( !match ) {
2576  match = tokenize( selector );
2577  }
2578  i = match.length;
2579  while ( i-- ) {
2580  cached = matcherFromTokens( match[i] );
2581  if ( cached[ expando ] ) {
2582  setMatchers.push( cached );
2583  } else {
2584  elementMatchers.push( cached );
2585  }
2586  }
2587 
2588  // Cache the compiled function
2589  cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2590 
2591  // Save selector and tokenization
2592  cached.selector = selector;
2593  }
2594  return cached;
2595 };
2596 
2597 /**
2598  * A low-level selection function that works with Sizzle's compiled
2599  * selector functions
2600  * @param {String|Function} selector A selector or a pre-compiled
2601  * selector function built with Sizzle.compile
2602  * @param {Element} context
2603  * @param {Array} [results]
2604  * @param {Array} [seed] A set of elements to match against
2605  */
2606 select = Sizzle.select = function( selector, context, results, seed ) {
2607  var i, tokens, token, type, find,
2608  compiled = typeof selector === "function" && selector,
2609  match = !seed && tokenize( (selector = compiled.selector || selector) );
2610 
2611  results = results || [];
2612 
2613  // Try to minimize operations if there is only one selector in the list and no seed
2614  // (the latter of which guarantees us context)
2615  if ( match.length === 1 ) {
2616 
2617  // Reduce context if the leading compound selector is an ID
2618  tokens = match[0] = match[0].slice( 0 );
2619  if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2620  support.getById && context.nodeType === 9 && documentIsHTML &&
2621  Expr.relative[ tokens[1].type ] ) {
2622 
2623  context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2624  if ( !context ) {
2625  return results;
2626 
2627  // Precompiled matchers will still verify ancestry, so step up a level
2628  } else if ( compiled ) {
2629  context = context.parentNode;
2630  }
2631 
2632  selector = selector.slice( tokens.shift().value.length );
2633  }
2634 
2635  // Fetch a seed set for right-to-left matching
2636  i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2637  while ( i-- ) {
2638  token = tokens[i];
2639 
2640  // Abort if we hit a combinator
2641  if ( Expr.relative[ (type = token.type) ] ) {
2642  break;
2643  }
2644  if ( (find = Expr.find[ type ]) ) {
2645  // Search, expanding context for leading sibling combinators
2646  if ( (seed = find(
2647  token.matches[0].replace( runescape, funescape ),
2648  rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2649  )) ) {
2650 
2651  // If seed is empty or no tokens remain, we can return early
2652  tokens.splice( i, 1 );
2653  selector = seed.length && toSelector( tokens );
2654  if ( !selector ) {
2655  push.apply( results, seed );
2656  return results;
2657  }
2658 
2659  break;
2660  }
2661  }
2662  }
2663  }
2664 
2665  // Compile and execute a filtering function if one is not provided
2666  // Provide `match` to avoid retokenization if we modified the selector above
2667  ( compiled || compile( selector, match ) )(
2668  seed,
2669  context,
2670  !documentIsHTML,
2671  results,
2672  !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2673  );
2674  return results;
2675 };
2676 
2677 // One-time assignments
2678 
2679 // Sort stability
2680 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2681 
2682 // Support: Chrome 14-35+
2683 // Always assume duplicates if they aren't passed to the comparison function
2684 support.detectDuplicates = !!hasDuplicate;
2685 
2686 // Initialize against the default document
2687 setDocument();
2688 
2689 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2690 // Detached nodes confoundingly follow *each other*
2691 support.sortDetached = assert(function( el ) {
2692  // Should return 1, but returns 4 (following)
2693  return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2694 });
2695 
2696 // Support: IE<8
2697 // Prevent attribute/property "interpolation"
2698 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2699 if ( !assert(function( el ) {
2700  el.innerHTML = "<a href='#'></a>";
2701  return el.firstChild.getAttribute("href") === "#" ;
2702 }) ) {
2703  addHandle( "type|href|height|width", function( elem, name, isXML ) {
2704  if ( !isXML ) {
2705  return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2706  }
2707  });
2708 }
2709 
2710 // Support: IE<9
2711 // Use defaultValue in place of getAttribute("value")
2712 if ( !support.attributes || !assert(function( el ) {
2713  el.innerHTML = "<input/>";
2714  el.firstChild.setAttribute( "value", "" );
2715  return el.firstChild.getAttribute( "value" ) === "";
2716 }) ) {
2717  addHandle( "value", function( elem, name, isXML ) {
2718  if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2719  return elem.defaultValue;
2720  }
2721  });
2722 }
2723 
2724 // Support: IE<9
2725 // Use getAttributeNode to fetch booleans when getAttribute lies
2726 if ( !assert(function( el ) {
2727  return el.getAttribute("disabled") == null;
2728 }) ) {
2729  addHandle( booleans, function( elem, name, isXML ) {
2730  var val;
2731  if ( !isXML ) {
2732  return elem[ name ] === true ? name.toLowerCase() :
2733  (val = elem.getAttributeNode( name )) && val.specified ?
2734  val.value :
2735  null;
2736  }
2737  });
2738 }
2739 
2740 return Sizzle;
2741 
2742 })( window );
2743 
2744 
2745 
2746 jQuery.find = Sizzle;
2747 jQuery.expr = Sizzle.selectors;
2748 
2749 // Deprecated
2750 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2751 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2752 jQuery.text = Sizzle.getText;
2753 jQuery.isXMLDoc = Sizzle.isXML;
2754 jQuery.contains = Sizzle.contains;
2755 jQuery.escapeSelector = Sizzle.escape;
2756 
2757 
2758 
2759 
2760 var dir = function( elem, dir, until ) {
2761  var matched = [],
2762  truncate = until !== undefined;
2763 
2764  while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2765  if ( elem.nodeType === 1 ) {
2766  if ( truncate && jQuery( elem ).is( until ) ) {
2767  break;
2768  }
2769  matched.push( elem );
2770  }
2771  }
2772  return matched;
2773 };
2774 
2775 
2776 var siblings = function( n, elem ) {
2777  var matched = [];
2778 
2779  for ( ; n; n = n.nextSibling ) {
2780  if ( n.nodeType === 1 && n !== elem ) {
2781  matched.push( n );
2782  }
2783  }
2784 
2785  return matched;
2786 };
2787 
2788 
2789 var rneedsContext = jQuery.expr.match.needsContext;
2790 
2791 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2792 
2793 
2794 
2795 var risSimple = /^.[^:#\[\.,]*$/;
2796 
2797 // Implement the identical functionality for filter and not
2798 function winnow( elements, qualifier, not ) {
2799  if ( jQuery.isFunction( qualifier ) ) {
2800  return jQuery.grep( elements, function( elem, i ) {
2801  return !!qualifier.call( elem, i, elem ) !== not;
2802  } );
2803 
2804  }
2805 
2806  if ( qualifier.nodeType ) {
2807  return jQuery.grep( elements, function( elem ) {
2808  return ( elem === qualifier ) !== not;
2809  } );
2810 
2811  }
2812 
2813  if ( typeof qualifier === "string" ) {
2814  if ( risSimple.test( qualifier ) ) {
2815  return jQuery.filter( qualifier, elements, not );
2816  }
2817 
2818  qualifier = jQuery.filter( qualifier, elements );
2819  }
2820 
2821  return jQuery.grep( elements, function( elem ) {
2822  return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
2823  } );
2824 }
2825 
2826 jQuery.filter = function( expr, elems, not ) {
2827  var elem = elems[ 0 ];
2828 
2829  if ( not ) {
2830  expr = ":not(" + expr + ")";
2831  }
2832 
2833  return elems.length === 1 && elem.nodeType === 1 ?
2834  jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2835  jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2836  return elem.nodeType === 1;
2837  } ) );
2838 };
2839 
2840 jQuery.fn.extend( {
2841  find: function( selector ) {
2842  var i, ret,
2843  len = this.length,
2844  self = this;
2845 
2846  if ( typeof selector !== "string" ) {
2847  return this.pushStack( jQuery( selector ).filter( function() {
2848  for ( i = 0; i < len; i++ ) {
2849  if ( jQuery.contains( self[ i ], this ) ) {
2850  return true;
2851  }
2852  }
2853  } ) );
2854  }
2855 
2856  ret = this.pushStack( [] );
2857 
2858  for ( i = 0; i < len; i++ ) {
2859  jQuery.find( selector, self[ i ], ret );
2860  }
2861 
2862  return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2863  },
2864  filter: function( selector ) {
2865  return this.pushStack( winnow( this, selector || [], false ) );
2866  },
2867  not: function( selector ) {
2868  return this.pushStack( winnow( this, selector || [], true ) );
2869  },
2870  is: function( selector ) {
2871  return !!winnow(
2872  this,
2873 
2874  // If this is a positional/relative selector, check membership in the returned set
2875  // so $("p:first").is("p:last") won't return true for a doc with two "p".
2876  typeof selector === "string" && rneedsContext.test( selector ) ?
2877  jQuery( selector ) :
2878  selector || [],
2879  false
2880  ).length;
2881  }
2882 } );
2883 
2884 
2885 // Initialize a jQuery object
2886 
2887 
2888 // A central reference to the root jQuery(document)
2889 var rootjQuery,
2890 
2891  // A simple way to check for HTML strings
2892  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2893  // Strict HTML recognition (#11290: must start with <)
2894  // Shortcut simple #id case for speed
2895  rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2896 
2897  init = jQuery.fn.init = function( selector, context, root ) {
2898  var match, elem;
2899 
2900  // HANDLE: $(""), $(null), $(undefined), $(false)
2901  if ( !selector ) {
2902  return this;
2903  }
2904 
2905  // Method init() accepts an alternate rootjQuery
2906  // so migrate can support jQuery.sub (gh-2101)
2907  root = root || rootjQuery;
2908 
2909  // Handle HTML strings
2910  if ( typeof selector === "string" ) {
2911  if ( selector[ 0 ] === "<" &&
2912  selector[ selector.length - 1 ] === ">" &&
2913  selector.length >= 3 ) {
2914 
2915  // Assume that strings that start and end with <> are HTML and skip the regex check
2916  match = [ null, selector, null ];
2917 
2918  } else {
2919  match = rquickExpr.exec( selector );
2920  }
2921 
2922  // Match html or make sure no context is specified for #id
2923  if ( match && ( match[ 1 ] || !context ) ) {
2924 
2925  // HANDLE: $(html) -> $(array)
2926  if ( match[ 1 ] ) {
2927  context = context instanceof jQuery ? context[ 0 ] : context;
2928 
2929  // Option to run scripts is true for back-compat
2930  // Intentionally let the error be thrown if parseHTML is not present
2931  jQuery.merge( this, jQuery.parseHTML(
2932  match[ 1 ],
2933  context && context.nodeType ? context.ownerDocument || context : document,
2934  true
2935  ) );
2936 
2937  // HANDLE: $(html, props)
2938  if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2939  for ( match in context ) {
2940 
2941  // Properties of context are called as methods if possible
2942  if ( jQuery.isFunction( this[ match ] ) ) {
2943  this[ match ]( context[ match ] );
2944 
2945  // ...and otherwise set as attributes
2946  } else {
2947  this.attr( match, context[ match ] );
2948  }
2949  }
2950  }
2951 
2952  return this;
2953 
2954  // HANDLE: $(#id)
2955  } else {
2956  elem = document.getElementById( match[ 2 ] );
2957 
2958  if ( elem ) {
2959 
2960  // Inject the element directly into the jQuery object
2961  this[ 0 ] = elem;
2962  this.length = 1;
2963  }
2964  return this;
2965  }
2966 
2967  // HANDLE: $(expr, $(...))
2968  } else if ( !context || context.jquery ) {
2969  return ( context || root ).find( selector );
2970 
2971  // HANDLE: $(expr, context)
2972  // (which is just equivalent to: $(context).find(expr)
2973  } else {
2974  return this.constructor( context ).find( selector );
2975  }
2976 
2977  // HANDLE: $(DOMElement)
2978  } else if ( selector.nodeType ) {
2979  this[ 0 ] = selector;
2980  this.length = 1;
2981  return this;
2982 
2983  // HANDLE: $(function)
2984  // Shortcut for document ready
2985  } else if ( jQuery.isFunction( selector ) ) {
2986  return root.ready !== undefined ?
2987  root.ready( selector ) :
2988 
2989  // Execute immediately if ready is not present
2990  selector( jQuery );
2991  }
2992 
2993  return jQuery.makeArray( selector, this );
2994  };
2995 
2996 // Give the init function the jQuery prototype for later instantiation
2997 init.prototype = jQuery.fn;
2998 
2999 // Initialize central reference
3000 rootjQuery = jQuery( document );
3001 
3002 
3003 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3004 
3005  // Methods guaranteed to produce a unique set when starting from a unique set
3006  guaranteedUnique = {
3007  children: true,
3008  contents: true,
3009  next: true,
3010  prev: true
3011  };
3012 
3013 jQuery.fn.extend( {
3014  has: function( target ) {
3015  var targets = jQuery( target, this ),
3016  l = targets.length;
3017 
3018  return this.filter( function() {
3019  var i = 0;
3020  for ( ; i < l; i++ ) {
3021  if ( jQuery.contains( this, targets[ i ] ) ) {
3022  return true;
3023  }
3024  }
3025  } );
3026  },
3027 
3028  closest: function( selectors, context ) {
3029  var cur,
3030  i = 0,
3031  l = this.length,
3032  matched = [],
3033  targets = typeof selectors !== "string" && jQuery( selectors );
3034 
3035  // Positional selectors never match, since there's no _selection_ context
3036  if ( !rneedsContext.test( selectors ) ) {
3037  for ( ; i < l; i++ ) {
3038  for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3039 
3040  // Always skip document fragments
3041  if ( cur.nodeType < 11 && ( targets ?
3042  targets.index( cur ) > -1 :
3043 
3044  // Don't pass non-elements to Sizzle
3045  cur.nodeType === 1 &&
3046  jQuery.find.matchesSelector( cur, selectors ) ) ) {
3047 
3048  matched.push( cur );
3049  break;
3050  }
3051  }
3052  }
3053  }
3054 
3055  return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3056  },
3057 
3058  // Determine the position of an element within the set
3059  index: function( elem ) {
3060 
3061  // No argument, return index in parent
3062  if ( !elem ) {
3063  return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3064  }
3065 
3066  // Index in selector
3067  if ( typeof elem === "string" ) {
3068  return indexOf.call( jQuery( elem ), this[ 0 ] );
3069  }
3070 
3071  // Locate the position of the desired element
3072  return indexOf.call( this,
3073 
3074  // If it receives a jQuery object, the first element is used
3075  elem.jquery ? elem[ 0 ] : elem
3076  );
3077  },
3078 
3079  add: function( selector, context ) {
3080  return this.pushStack(
3081  jQuery.uniqueSort(
3082  jQuery.merge( this.get(), jQuery( selector, context ) )
3083  )
3084  );
3085  },
3086 
3087  addBack: function( selector ) {
3088  return this.add( selector == null ?
3089  this.prevObject : this.prevObject.filter( selector )
3090  );
3091  }
3092 } );
3093 
3094 function sibling( cur, dir ) {
3095  while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3096  return cur;
3097 }
3098 
3099 jQuery.each( {
3100  parent: function( elem ) {
3101  var parent = elem.parentNode;
3102  return parent && parent.nodeType !== 11 ? parent : null;
3103  },
3104  parents: function( elem ) {
3105  return dir( elem, "parentNode" );
3106  },
3107  parentsUntil: function( elem, i, until ) {
3108  return dir( elem, "parentNode", until );
3109  },
3110  next: function( elem ) {
3111  return sibling( elem, "nextSibling" );
3112  },
3113  prev: function( elem ) {
3114  return sibling( elem, "previousSibling" );
3115  },
3116  nextAll: function( elem ) {
3117  return dir( elem, "nextSibling" );
3118  },
3119  prevAll: function( elem ) {
3120  return dir( elem, "previousSibling" );
3121  },
3122  nextUntil: function( elem, i, until ) {
3123  return dir( elem, "nextSibling", until );
3124  },
3125  prevUntil: function( elem, i, until ) {
3126  return dir( elem, "previousSibling", until );
3127  },
3128  siblings: function( elem ) {
3129  return siblings( ( elem.parentNode || {} ).firstChild, elem );
3130  },
3131  children: function( elem ) {
3132  return siblings( elem.firstChild );
3133  },
3134  contents: function( elem ) {
3135  return elem.contentDocument || jQuery.merge( [], elem.childNodes );
3136  }
3137 }, function( name, fn ) {
3138  jQuery.fn[ name ] = function( until, selector ) {
3139  var matched = jQuery.map( this, fn, until );
3140 
3141  if ( name.slice( -5 ) !== "Until" ) {
3142  selector = until;
3143  }
3144 
3145  if ( selector && typeof selector === "string" ) {
3146  matched = jQuery.filter( selector, matched );
3147  }
3148 
3149  if ( this.length > 1 ) {
3150 
3151  // Remove duplicates
3152  if ( !guaranteedUnique[ name ] ) {
3153  jQuery.uniqueSort( matched );
3154  }
3155 
3156  // Reverse order for parents* and prev-derivatives
3157  if ( rparentsprev.test( name ) ) {
3158  matched.reverse();
3159  }
3160  }
3161 
3162  return this.pushStack( matched );
3163  };
3164 } );
3165 var rnotwhite = ( /\S+/g );
3166 
3167 
3168 
3169 // Convert String-formatted options into Object-formatted ones
3170 function createOptions( options ) {
3171  var object = {};
3172  jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3173  object[ flag ] = true;
3174  } );
3175  return object;
3176 }
3177 
3178 /*
3179  * Create a callback list using the following parameters:
3180  *
3181  * options: an optional list of space-separated options that will change how
3182  * the callback list behaves or a more traditional option object
3183  *
3184  * By default a callback list will act like an event callback list and can be
3185  * "fired" multiple times.
3186  *
3187  * Possible options:
3188  *
3189  * once: will ensure the callback list can only be fired once (like a Deferred)
3190  *
3191  * memory: will keep track of previous values and will call any callback added
3192  * after the list has been fired right away with the latest "memorized"
3193  * values (like a Deferred)
3194  *
3195  * unique: will ensure a callback can only be added once (no duplicate in the list)
3196  *
3197  * stopOnFalse: interrupt callings when a callback returns false
3198  *
3199  */
3200 jQuery.Callbacks = function( options ) {
3201 
3202  // Convert options from String-formatted to Object-formatted if needed
3203  // (we check in cache first)
3204  options = typeof options === "string" ?
3205  createOptions( options ) :
3206  jQuery.extend( {}, options );
3207 
3208  var // Flag to know if list is currently firing
3209  firing,
3210 
3211  // Last fire value for non-forgettable lists
3212  memory,
3213 
3214  // Flag to know if list was already fired
3215  fired,
3216 
3217  // Flag to prevent firing
3218  locked,
3219 
3220  // Actual callback list
3221  list = [],
3222 
3223  // Queue of execution data for repeatable lists
3224  queue = [],
3225 
3226  // Index of currently firing callback (modified by add/remove as needed)
3227  firingIndex = -1,
3228 
3229  // Fire callbacks
3230  fire = function() {
3231 
3232  // Enforce single-firing
3233  locked = options.once;
3234 
3235  // Execute callbacks for all pending executions,
3236  // respecting firingIndex overrides and runtime changes
3237  fired = firing = true;
3238  for ( ; queue.length; firingIndex = -1 ) {
3239  memory = queue.shift();
3240  while ( ++firingIndex < list.length ) {
3241 
3242  // Run callback and check for early termination
3243  if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3244  options.stopOnFalse ) {
3245 
3246  // Jump to end and forget the data so .add doesn't re-fire
3247  firingIndex = list.length;
3248  memory = false;
3249  }
3250  }
3251  }
3252 
3253  // Forget the data if we're done with it
3254  if ( !options.memory ) {
3255  memory = false;
3256  }
3257 
3258  firing = false;
3259 
3260  // Clean up if we're done firing for good
3261  if ( locked ) {
3262 
3263  // Keep an empty list if we have data for future add calls
3264  if ( memory ) {
3265  list = [];
3266 
3267  // Otherwise, this object is spent
3268  } else {
3269  list = "";
3270  }
3271  }
3272  },
3273 
3274  // Actual Callbacks object
3275  self = {
3276 
3277  // Add a callback or a collection of callbacks to the list
3278  add: function() {
3279  if ( list ) {
3280 
3281  // If we have memory from a past run, we should fire after adding
3282  if ( memory && !firing ) {
3283  firingIndex = list.length - 1;
3284  queue.push( memory );
3285  }
3286 
3287  ( function add( args ) {
3288  jQuery.each( args, function( _, arg ) {
3289  if ( jQuery.isFunction( arg ) ) {
3290  if ( !options.unique || !self.has( arg ) ) {
3291  list.push( arg );
3292  }
3293  } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
3294 
3295  // Inspect recursively
3296  add( arg );
3297  }
3298  } );
3299  } )( arguments );
3300 
3301  if ( memory && !firing ) {
3302  fire();
3303  }
3304  }
3305  return this;
3306  },
3307 
3308  // Remove a callback from the list
3309  remove: function() {
3310  jQuery.each( arguments, function( _, arg ) {
3311  var index;
3312  while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3313  list.splice( index, 1 );
3314 
3315  // Handle firing indexes
3316  if ( index <= firingIndex ) {
3317  firingIndex--;
3318  }
3319  }
3320  } );
3321  return this;
3322  },
3323 
3324  // Check if a given callback is in the list.
3325  // If no argument is given, return whether or not list has callbacks attached.
3326  has: function( fn ) {
3327  return fn ?
3328  jQuery.inArray( fn, list ) > -1 :
3329  list.length > 0;
3330  },
3331 
3332  // Remove all callbacks from the list
3333  empty: function() {
3334  if ( list ) {
3335  list = [];
3336  }
3337  return this;
3338  },
3339 
3340  // Disable .fire and .add
3341  // Abort any current/pending executions
3342  // Clear all callbacks and values
3343  disable: function() {
3344  locked = queue = [];
3345  list = memory = "";
3346  return this;
3347  },
3348  disabled: function() {
3349  return !list;
3350  },
3351 
3352  // Disable .fire
3353  // Also disable .add unless we have memory (since it would have no effect)
3354  // Abort any pending executions
3355  lock: function() {
3356  locked = queue = [];
3357  if ( !memory && !firing ) {
3358  list = memory = "";
3359  }
3360  return this;
3361  },
3362  locked: function() {
3363  return !!locked;
3364  },
3365 
3366  // Call all callbacks with the given context and arguments
3367  fireWith: function( context, args ) {
3368  if ( !locked ) {
3369  args = args || [];
3370  args = [ context, args.slice ? args.slice() : args ];
3371  queue.push( args );
3372  if ( !firing ) {
3373  fire();
3374  }
3375  }
3376  return this;
3377  },
3378 
3379  // Call all the callbacks with the given arguments
3380  fire: function() {
3381  self.fireWith( this, arguments );
3382  return this;
3383  },
3384 
3385  // To know if the callbacks have already been called at least once
3386  fired: function() {
3387  return !!fired;
3388  }
3389  };
3390 
3391  return self;
3392 };
3393 
3394 
3395 function Identity( v ) {
3396  return v;
3397 }
3398 function Thrower( ex ) {
3399  throw ex;
3400 }
3401 
3402 function adoptValue( value, resolve, reject ) {
3403  var method;
3404 
3405  try {
3406 
3407  // Check for promise aspect first to privilege synchronous behavior
3408  if ( value && jQuery.isFunction( ( method = value.promise ) ) ) {
3409  method.call( value ).done( resolve ).fail( reject );
3410 
3411  // Other thenables
3412  } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) {
3413  method.call( value, resolve, reject );
3414 
3415  // Other non-thenables
3416  } else {
3417 
3418  // Support: Android 4.0 only
3419  // Strict mode functions invoked without .call/.apply get global-object context
3420  resolve.call( undefined, value );
3421  }
3422 
3423  // For Promises/A+, convert exceptions into rejections
3424  // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3425  // Deferred#then to conditionally suppress rejection.
3426  } catch ( value ) {
3427 
3428  // Support: Android 4.0 only
3429  // Strict mode functions invoked without .call/.apply get global-object context
3430  reject.call( undefined, value );
3431  }
3432 }
3433 
3434 jQuery.extend( {
3435 
3436  Deferred: function( func ) {
3437  var tuples = [
3438 
3439  // action, add listener, callbacks,
3440  // ... .then handlers, argument index, [final state]
3441  [ "notify", "progress", jQuery.Callbacks( "memory" ),
3442  jQuery.Callbacks( "memory" ), 2 ],
3443  [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3444  jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3445  [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3446  jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3447  ],
3448  state = "pending",
3449  promise = {
3450  state: function() {
3451  return state;
3452  },
3453  always: function() {
3454  deferred.done( arguments ).fail( arguments );
3455  return this;
3456  },
3457  "catch": function( fn ) {
3458  return promise.then( null, fn );
3459  },
3460 
3461  // Keep pipe for back-compat
3462  pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3463  var fns = arguments;
3464 
3465  return jQuery.Deferred( function( newDefer ) {
3466  jQuery.each( tuples, function( i, tuple ) {
3467 
3468  // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3469  var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3470 
3471  // deferred.progress(function() { bind to newDefer or newDefer.notify })
3472  // deferred.done(function() { bind to newDefer or newDefer.resolve })
3473  // deferred.fail(function() { bind to newDefer or newDefer.reject })
3474  deferred[ tuple[ 1 ] ]( function() {
3475  var returned = fn && fn.apply( this, arguments );
3476  if ( returned && jQuery.isFunction( returned.promise ) ) {
3477  returned.promise()
3478  .progress( newDefer.notify )
3479  .done( newDefer.resolve )
3480  .fail( newDefer.reject );
3481  } else {
3482  newDefer[ tuple[ 0 ] + "With" ](
3483  this,
3484  fn ? [ returned ] : arguments
3485  );
3486  }
3487  } );
3488  } );
3489  fns = null;
3490  } ).promise();
3491  },
3492  then: function( onFulfilled, onRejected, onProgress ) {
3493  var maxDepth = 0;
3494  function resolve( depth, deferred, handler, special ) {
3495  return function() {
3496  var that = this,
3497  args = arguments,
3498  mightThrow = function() {
3499  var returned, then;
3500 
3501  // Support: Promises/A+ section 2.3.3.3.3
3502  // https://promisesaplus.com/#point-59
3503  // Ignore double-resolution attempts
3504  if ( depth < maxDepth ) {
3505  return;
3506  }
3507 
3508  returned = handler.apply( that, args );
3509 
3510  // Support: Promises/A+ section 2.3.1
3511  // https://promisesaplus.com/#point-48
3512  if ( returned === deferred.promise() ) {
3513  throw new TypeError( "Thenable self-resolution" );
3514  }
3515 
3516  // Support: Promises/A+ sections 2.3.3.1, 3.5
3517  // https://promisesaplus.com/#point-54
3518  // https://promisesaplus.com/#point-75
3519  // Retrieve `then` only once
3520  then = returned &&
3521 
3522  // Support: Promises/A+ section 2.3.4
3523  // https://promisesaplus.com/#point-64
3524  // Only check objects and functions for thenability
3525  ( typeof returned === "object" ||
3526  typeof returned === "function" ) &&
3527  returned.then;
3528 
3529  // Handle a returned thenable
3530  if ( jQuery.isFunction( then ) ) {
3531 
3532  // Special processors (notify) just wait for resolution
3533  if ( special ) {
3534  then.call(
3535  returned,
3536  resolve( maxDepth, deferred, Identity, special ),
3537  resolve( maxDepth, deferred, Thrower, special )
3538  );
3539 
3540  // Normal processors (resolve) also hook into progress
3541  } else {
3542 
3543  // ...and disregard older resolution values
3544  maxDepth++;
3545 
3546  then.call(
3547  returned,
3548  resolve( maxDepth, deferred, Identity, special ),
3549  resolve( maxDepth, deferred, Thrower, special ),
3550  resolve( maxDepth, deferred, Identity,
3551  deferred.notifyWith )
3552  );
3553  }
3554 
3555  // Handle all other returned values
3556  } else {
3557 
3558  // Only substitute handlers pass on context
3559  // and multiple values (non-spec behavior)
3560  if ( handler !== Identity ) {
3561  that = undefined;
3562  args = [ returned ];
3563  }
3564 
3565  // Process the value(s)
3566  // Default process is resolve
3567  ( special || deferred.resolveWith )( that, args );
3568  }
3569  },
3570 
3571  // Only normal processors (resolve) catch and reject exceptions
3572  process = special ?
3573  mightThrow :
3574  function() {
3575  try {
3576  mightThrow();
3577  } catch ( e ) {
3578 
3579  if ( jQuery.Deferred.exceptionHook ) {
3580  jQuery.Deferred.exceptionHook( e,
3581  process.stackTrace );
3582  }
3583 
3584  // Support: Promises/A+ section 2.3.3.3.4.1
3585  // https://promisesaplus.com/#point-61
3586  // Ignore post-resolution exceptions
3587  if ( depth + 1 >= maxDepth ) {
3588 
3589  // Only substitute handlers pass on context
3590  // and multiple values (non-spec behavior)
3591  if ( handler !== Thrower ) {
3592  that = undefined;
3593  args = [ e ];
3594  }
3595 
3596  deferred.rejectWith( that, args );
3597  }
3598  }
3599  };
3600 
3601  // Support: Promises/A+ section 2.3.3.3.1
3602  // https://promisesaplus.com/#point-57
3603  // Re-resolve promises immediately to dodge false rejection from
3604  // subsequent errors
3605  if ( depth ) {
3606  process();
3607  } else {
3608 
3609  // Call an optional hook to record the stack, in case of exception
3610  // since it's otherwise lost when execution goes async
3611  if ( jQuery.Deferred.getStackHook ) {
3612  process.stackTrace = jQuery.Deferred.getStackHook();
3613  }
3614  window.setTimeout( process );
3615  }
3616  };
3617  }
3618 
3619  return jQuery.Deferred( function( newDefer ) {
3620 
3621  // progress_handlers.add( ... )
3622  tuples[ 0 ][ 3 ].add(
3623  resolve(
3624  0,
3625  newDefer,
3626  jQuery.isFunction( onProgress ) ?
3627  onProgress :
3628  Identity,
3629  newDefer.notifyWith
3630  )
3631  );
3632 
3633  // fulfilled_handlers.add( ... )
3634  tuples[ 1 ][ 3 ].add(
3635  resolve(
3636  0,
3637  newDefer,
3638  jQuery.isFunction( onFulfilled ) ?
3639  onFulfilled :
3640  Identity
3641  )
3642  );
3643 
3644  // rejected_handlers.add( ... )
3645  tuples[ 2 ][ 3 ].add(
3646  resolve(
3647  0,
3648  newDefer,
3649  jQuery.isFunction( onRejected ) ?
3650  onRejected :
3651  Thrower
3652  )
3653  );
3654  } ).promise();
3655  },
3656 
3657  // Get a promise for this deferred
3658  // If obj is provided, the promise aspect is added to the object
3659  promise: function( obj ) {
3660  return obj != null ? jQuery.extend( obj, promise ) : promise;
3661  }
3662  },
3663  deferred = {};
3664 
3665  // Add list-specific methods
3666  jQuery.each( tuples, function( i, tuple ) {
3667  var list = tuple[ 2 ],
3668  stateString = tuple[ 5 ];
3669 
3670  // promise.progress = list.add
3671  // promise.done = list.add
3672  // promise.fail = list.add
3673  promise[ tuple[ 1 ] ] = list.add;
3674 
3675  // Handle state
3676  if ( stateString ) {
3677  list.add(
3678  function() {
3679 
3680  // state = "resolved" (i.e., fulfilled)
3681  // state = "rejected"
3682  state = stateString;
3683  },
3684 
3685  // rejected_callbacks.disable
3686  // fulfilled_callbacks.disable
3687  tuples[ 3 - i ][ 2 ].disable,
3688 
3689  // progress_callbacks.lock
3690  tuples[ 0 ][ 2 ].lock
3691  );
3692  }
3693 
3694  // progress_handlers.fire
3695  // fulfilled_handlers.fire
3696  // rejected_handlers.fire
3697  list.add( tuple[ 3 ].fire );
3698 
3699  // deferred.notify = function() { deferred.notifyWith(...) }
3700  // deferred.resolve = function() { deferred.resolveWith(...) }
3701  // deferred.reject = function() { deferred.rejectWith(...) }
3702  deferred[ tuple[ 0 ] ] = function() {
3703  deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3704  return this;
3705  };
3706 
3707  // deferred.notifyWith = list.fireWith
3708  // deferred.resolveWith = list.fireWith
3709  // deferred.rejectWith = list.fireWith
3710  deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3711  } );
3712 
3713  // Make the deferred a promise
3714  promise.promise( deferred );
3715 
3716  // Call given func if any
3717  if ( func ) {
3718  func.call( deferred, deferred );
3719  }
3720 
3721  // All done!
3722  return deferred;
3723  },
3724 
3725  // Deferred helper
3726  when: function( singleValue ) {
3727  var
3728 
3729  // count of uncompleted subordinates
3730  remaining = arguments.length,
3731 
3732  // count of unprocessed arguments
3733  i = remaining,
3734 
3735  // subordinate fulfillment data
3736  resolveContexts = Array( i ),
3737  resolveValues = slice.call( arguments ),
3738 
3739  // the master Deferred
3740  master = jQuery.Deferred(),
3741 
3742  // subordinate callback factory
3743  updateFunc = function( i ) {
3744  return function( value ) {
3745  resolveContexts[ i ] = this;
3746  resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3747  if ( !( --remaining ) ) {
3748  master.resolveWith( resolveContexts, resolveValues );
3749  }
3750  };
3751  };
3752 
3753  // Single- and empty arguments are adopted like Promise.resolve
3754  if ( remaining <= 1 ) {
3755  adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject );
3756 
3757  // Use .then() to unwrap secondary thenables (cf. gh-3000)
3758  if ( master.state() === "pending" ||
3759  jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3760 
3761  return master.then();
3762  }
3763  }
3764 
3765  // Multiple arguments are aggregated like Promise.all array elements
3766  while ( i-- ) {
3767  adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3768  }
3769 
3770  return master.promise();
3771  }
3772 } );
3773 
3774 
3775 // These usually indicate a programmer mistake during development,
3776 // warn about them ASAP rather than swallowing them by default.
3777 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3778 
3779 jQuery.Deferred.exceptionHook = function( error, stack ) {
3780 
3781  // Support: IE 8 - 9 only
3782  // Console exists when dev tools are open, which can happen at any time
3783  if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3784  window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3785  }
3786 };
3787 
3788 
3789 
3790 
3791 jQuery.readyException = function( error ) {
3792  window.setTimeout( function() {
3793  throw error;
3794  } );
3795 };
3796 
3797 
3798 
3799 
3800 // The deferred used on DOM ready
3801 var readyList = jQuery.Deferred();
3802 
3803 jQuery.fn.ready = function( fn ) {
3804 
3805  readyList
3806  .then( fn )
3807 
3808  // Wrap jQuery.readyException in a function so that the lookup
3809  // happens at the time of error handling instead of callback
3810  // registration.
3811  .catch( function( error ) {
3812  jQuery.readyException( error );
3813  } );
3814 
3815  return this;
3816 };
3817 
3818 jQuery.extend( {
3819 
3820  // Is the DOM ready to be used? Set to true once it occurs.
3821  isReady: false,
3822 
3823  // A counter to track how many items to wait for before
3824  // the ready event fires. See #6781
3825  readyWait: 1,
3826 
3827  // Hold (or release) the ready event
3828  holdReady: function( hold ) {
3829  if ( hold ) {
3830  jQuery.readyWait++;
3831  } else {
3832  jQuery.ready( true );
3833  }
3834  },
3835 
3836  // Handle when the DOM is ready
3837  ready: function( wait ) {
3838 
3839  // Abort if there are pending holds or we're already ready
3840  if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3841  return;
3842  }
3843 
3844  // Remember that the DOM is ready
3845  jQuery.isReady = true;
3846 
3847  // If a normal DOM Ready event fired, decrement, and wait if need be
3848  if ( wait !== true && --jQuery.readyWait > 0 ) {
3849  return;
3850  }
3851 
3852  // If there are functions bound, to execute
3853  readyList.resolveWith( document, [ jQuery ] );
3854  }
3855 } );
3856 
3857 jQuery.ready.then = readyList.then;
3858 
3859 // The ready event handler and self cleanup method
3860 function completed() {
3861  document.removeEventListener( "DOMContentLoaded", completed );
3862  window.removeEventListener( "load", completed );
3863  jQuery.ready();
3864 }
3865 
3866 // Catch cases where $(document).ready() is called
3867 // after the browser event has already occurred.
3868 // Support: IE <=9 - 10 only
3869 // Older IE sometimes signals "interactive" too soon
3870 if ( document.readyState === "complete" ||
3871  ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3872 
3873  // Handle it asynchronously to allow scripts the opportunity to delay ready
3874  window.setTimeout( jQuery.ready );
3875 
3876 } else {
3877 
3878  // Use the handy event callback
3879  document.addEventListener( "DOMContentLoaded", completed );
3880 
3881  // A fallback to window.onload, that will always work
3882  window.addEventListener( "load", completed );
3883 }
3884 
3885 
3886 
3887 
3888 // Multifunctional method to get and set values of a collection
3889 // The value/s can optionally be executed if it's a function
3890 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3891  var i = 0,
3892  len = elems.length,
3893  bulk = key == null;
3894 
3895  // Sets many values
3896  if ( jQuery.type( key ) === "object" ) {
3897  chainable = true;
3898  for ( i in key ) {
3899  access( elems, fn, i, key[ i ], true, emptyGet, raw );
3900  }
3901 
3902  // Sets one value
3903  } else if ( value !== undefined ) {
3904  chainable = true;
3905 
3906  if ( !jQuery.isFunction( value ) ) {
3907  raw = true;
3908  }
3909 
3910  if ( bulk ) {
3911 
3912  // Bulk operations run against the entire set
3913  if ( raw ) {
3914  fn.call( elems, value );
3915  fn = null;
3916 
3917  // ...except when executing function values
3918  } else {
3919  bulk = fn;
3920  fn = function( elem, key, value ) {
3921  return bulk.call( jQuery( elem ), value );
3922  };
3923  }
3924  }
3925 
3926  if ( fn ) {
3927  for ( ; i < len; i++ ) {
3928  fn(
3929  elems[ i ], key, raw ?
3930  value :
3931  value.call( elems[ i ], i, fn( elems[ i ], key ) )
3932  );
3933  }
3934  }
3935  }
3936 
3937  return chainable ?
3938  elems :
3939 
3940  // Gets
3941  bulk ?
3942  fn.call( elems ) :
3943  len ? fn( elems[ 0 ], key ) : emptyGet;
3944 };
3945 var acceptData = function( owner ) {
3946 
3947  // Accepts only:
3948  // - Node
3949  // - Node.ELEMENT_NODE
3950  // - Node.DOCUMENT_NODE
3951  // - Object
3952  // - Any
3953  return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
3954 };
3955 
3956 
3957 
3958 
3959 function Data() {
3960  this.expando = jQuery.expando + Data.uid++;
3961 }
3962 
3963 Data.uid = 1;
3964 
3965 Data.prototype = {
3966 
3967  cache: function( owner ) {
3968 
3969  // Check if the owner object already has a cache
3970  var value = owner[ this.expando ];
3971 
3972  // If not, create one
3973  if ( !value ) {
3974  value = {};
3975 
3976  // We can accept data for non-element nodes in modern browsers,
3977  // but we should not, see #8335.
3978  // Always return an empty object.
3979  if ( acceptData( owner ) ) {
3980 
3981  // If it is a node unlikely to be stringify-ed or looped over
3982  // use plain assignment
3983  if ( owner.nodeType ) {
3984  owner[ this.expando ] = value;
3985 
3986  // Otherwise secure it in a non-enumerable property
3987  // configurable must be true to allow the property to be
3988  // deleted when data is removed
3989  } else {
3990  Object.defineProperty( owner, this.expando, {
3991  value: value,
3992  configurable: true
3993  } );
3994  }
3995  }
3996  }
3997 
3998  return value;
3999  },
4000  set: function( owner, data, value ) {
4001  var prop,
4002  cache = this.cache( owner );
4003 
4004  // Handle: [ owner, key, value ] args
4005  // Always use camelCase key (gh-2257)
4006  if ( typeof data === "string" ) {
4007  cache[ jQuery.camelCase( data ) ] = value;
4008 
4009  // Handle: [ owner, { properties } ] args
4010  } else {
4011 
4012  // Copy the properties one-by-one to the cache object
4013  for ( prop in data ) {
4014  cache[ jQuery.camelCase( prop ) ] = data[ prop ];
4015  }
4016  }
4017  return cache;
4018  },
4019  get: function( owner, key ) {
4020  return key === undefined ?
4021  this.cache( owner ) :
4022 
4023  // Always use camelCase key (gh-2257)
4024  owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
4025  },
4026  access: function( owner, key, value ) {
4027 
4028  // In cases where either:
4029  //
4030  // 1. No key was specified
4031  // 2. A string key was specified, but no value provided
4032  //
4033  // Take the "read" path and allow the get method to determine
4034  // which value to return, respectively either:
4035  //
4036  // 1. The entire cache object
4037  // 2. The data stored at the key
4038  //
4039  if ( key === undefined ||
4040  ( ( key && typeof key === "string" ) && value === undefined ) ) {
4041 
4042  return this.get( owner, key );
4043  }
4044 
4045  // When the key is not a string, or both a key and value
4046  // are specified, set or extend (existing objects) with either:
4047  //
4048  // 1. An object of properties
4049  // 2. A key and value
4050  //
4051  this.set( owner, key, value );
4052 
4053  // Since the "set" path can have two possible entry points
4054  // return the expected data based on which path was taken[*]
4055  return value !== undefined ? value : key;
4056  },
4057  remove: function( owner, key ) {
4058  var i,
4059  cache = owner[ this.expando ];
4060 
4061  if ( cache === undefined ) {
4062  return;
4063  }
4064 
4065  if ( key !== undefined ) {
4066 
4067  // Support array or space separated string of keys
4068  if ( jQuery.isArray( key ) ) {
4069 
4070  // If key is an array of keys...
4071  // We always set camelCase keys, so remove that.
4072  key = key.map( jQuery.camelCase );
4073  } else {
4074  key = jQuery.camelCase( key );
4075 
4076  // If a key with the spaces exists, use it.
4077  // Otherwise, create an array by matching non-whitespace
4078  key = key in cache ?
4079  [ key ] :
4080  ( key.match( rnotwhite ) || [] );
4081  }
4082 
4083  i = key.length;
4084 
4085  while ( i-- ) {
4086  delete cache[ key[ i ] ];
4087  }
4088  }
4089 
4090  // Remove the expando if there's no more data
4091  if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4092 
4093  // Support: Chrome <=35 - 45
4094  // Webkit & Blink performance suffers when deleting properties
4095  // from DOM nodes, so set to undefined instead
4096  // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4097  if ( owner.nodeType ) {
4098  owner[ this.expando ] = undefined;
4099  } else {
4100  delete owner[ this.expando ];
4101  }
4102  }
4103  },
4104  hasData: function( owner ) {
4105  var cache = owner[ this.expando ];
4106  return cache !== undefined && !jQuery.isEmptyObject( cache );
4107  }
4108 };
4109 var dataPriv = new Data();
4110 
4111 var dataUser = new Data();
4112 
4113 
4114 
4115 // Implementation Summary
4116 //
4117 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4118 // 2. Improve the module's maintainability by reducing the storage
4119 // paths to a single mechanism.
4120 // 3. Use the same single mechanism to support "private" and "user" data.
4121 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4122 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4123 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4124 
4125 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4126  rmultiDash = /[A-Z]/g;
4127 
4128 function dataAttr( elem, key, data ) {
4129  var name;
4130 
4131  // If nothing was found internally, try to fetch any
4132  // data from the HTML5 data-* attribute
4133  if ( data === undefined && elem.nodeType === 1 ) {
4134  name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4135  data = elem.getAttribute( name );
4136 
4137  if ( typeof data === "string" ) {
4138  try {
4139  data = data === "true" ? true :
4140  data === "false" ? false :
4141  data === "null" ? null :
4142 
4143  // Only convert to a number if it doesn't change the string
4144  +data + "" === data ? +data :
4145  rbrace.test( data ) ? JSON.parse( data ) :
4146  data;
4147  } catch ( e ) {}
4148 
4149  // Make sure we set the data so it isn't changed later
4150  dataUser.set( elem, key, data );
4151  } else {
4152  data = undefined;
4153  }
4154  }
4155  return data;
4156 }
4157 
4158 jQuery.extend( {
4159  hasData: function( elem ) {
4160  return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4161  },
4162 
4163  data: function( elem, name, data ) {
4164  return dataUser.access( elem, name, data );
4165  },
4166 
4167  removeData: function( elem, name ) {
4168  dataUser.remove( elem, name );
4169  },
4170 
4171  // TODO: Now that all calls to _data and _removeData have been replaced
4172  // with direct calls to dataPriv methods, these can be deprecated.
4173  _data: function( elem, name, data ) {
4174  return dataPriv.access( elem, name, data );
4175  },
4176 
4177  _removeData: function( elem, name ) {
4178  dataPriv.remove( elem, name );
4179  }
4180 } );
4181 
4182 jQuery.fn.extend( {
4183  data: function( key, value ) {
4184  var i, name, data,
4185  elem = this[ 0 ],
4186  attrs = elem && elem.attributes;
4187 
4188  // Gets all values
4189  if ( key === undefined ) {
4190  if ( this.length ) {
4191  data = dataUser.get( elem );
4192 
4193  if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4194  i = attrs.length;
4195  while ( i-- ) {
4196 
4197  // Support: IE 11 only
4198  // The attrs elements can be null (#14894)
4199  if ( attrs[ i ] ) {
4200  name = attrs[ i ].name;
4201  if ( name.indexOf( "data-" ) === 0 ) {
4202  name = jQuery.camelCase( name.slice( 5 ) );
4203  dataAttr( elem, name, data[ name ] );
4204  }
4205  }
4206  }
4207  dataPriv.set( elem, "hasDataAttrs", true );
4208  }
4209  }
4210 
4211  return data;
4212  }
4213 
4214  // Sets multiple values
4215  if ( typeof key === "object" ) {
4216  return this.each( function() {
4217  dataUser.set( this, key );
4218  } );
4219  }
4220 
4221  return access( this, function( value ) {
4222  var data;
4223 
4224  // The calling jQuery object (element matches) is not empty
4225  // (and therefore has an element appears at this[ 0 ]) and the
4226  // `value` parameter was not undefined. An empty jQuery object
4227  // will result in `undefined` for elem = this[ 0 ] which will
4228  // throw an exception if an attempt to read a data cache is made.
4229  if ( elem && value === undefined ) {
4230 
4231  // Attempt to get data from the cache
4232  // The key will always be camelCased in Data
4233  data = dataUser.get( elem, key );
4234  if ( data !== undefined ) {
4235  return data;
4236  }
4237 
4238  // Attempt to "discover" the data in
4239  // HTML5 custom data-* attrs
4240  data = dataAttr( elem, key );
4241  if ( data !== undefined ) {
4242  return data;
4243  }
4244 
4245  // We tried really hard, but the data doesn't exist.
4246  return;
4247  }
4248 
4249  // Set the data...
4250  this.each( function() {
4251 
4252  // We always store the camelCased key
4253  dataUser.set( this, key, value );
4254  } );
4255  }, null, value, arguments.length > 1, null, true );
4256  },
4257 
4258  removeData: function( key ) {
4259  return this.each( function() {
4260  dataUser.remove( this, key );
4261  } );
4262  }
4263 } );
4264 
4265 
4266 jQuery.extend( {
4267  queue: function( elem, type, data ) {
4268  var queue;
4269 
4270  if ( elem ) {
4271  type = ( type || "fx" ) + "queue";
4272  queue = dataPriv.get( elem, type );
4273 
4274  // Speed up dequeue by getting out quickly if this is just a lookup
4275  if ( data ) {
4276  if ( !queue || jQuery.isArray( data ) ) {
4277  queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4278  } else {
4279  queue.push( data );
4280  }
4281  }
4282  return queue || [];
4283  }
4284  },
4285 
4286  dequeue: function( elem, type ) {
4287  type = type || "fx";
4288 
4289  var queue = jQuery.queue( elem, type ),
4290  startLength = queue.length,
4291  fn = queue.shift(),
4292  hooks = jQuery._queueHooks( elem, type ),
4293  next = function() {
4294  jQuery.dequeue( elem, type );
4295  };
4296 
4297  // If the fx queue is dequeued, always remove the progress sentinel
4298  if ( fn === "inprogress" ) {
4299  fn = queue.shift();
4300  startLength--;
4301  }
4302 
4303  if ( fn ) {
4304 
4305  // Add a progress sentinel to prevent the fx queue from being
4306  // automatically dequeued
4307  if ( type === "fx" ) {
4308  queue.unshift( "inprogress" );
4309  }
4310 
4311  // Clear up the last queue stop function
4312  delete hooks.stop;
4313  fn.call( elem, next, hooks );
4314  }
4315 
4316  if ( !startLength && hooks ) {
4317  hooks.empty.fire();
4318  }
4319  },
4320 
4321  // Not public - generate a queueHooks object, or return the current one
4322  _queueHooks: function( elem, type ) {
4323  var key = type + "queueHooks";
4324  return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4325  empty: jQuery.Callbacks( "once memory" ).add( function() {
4326  dataPriv.remove( elem, [ type + "queue", key ] );
4327  } )
4328  } );
4329  }
4330 } );
4331 
4332 jQuery.fn.extend( {
4333  queue: function( type, data ) {
4334  var setter = 2;
4335 
4336  if ( typeof type !== "string" ) {
4337  data = type;
4338  type = "fx";
4339  setter--;
4340  }
4341 
4342  if ( arguments.length < setter ) {
4343  return jQuery.queue( this[ 0 ], type );
4344  }
4345 
4346  return data === undefined ?
4347  this :
4348  this.each( function() {
4349  var queue = jQuery.queue( this, type, data );
4350 
4351  // Ensure a hooks for this queue
4352  jQuery._queueHooks( this, type );
4353 
4354  if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4355  jQuery.dequeue( this, type );
4356  }
4357  } );
4358  },
4359  dequeue: function( type ) {
4360  return this.each( function() {
4361  jQuery.dequeue( this, type );
4362  } );
4363  },
4364  clearQueue: function( type ) {
4365  return this.queue( type || "fx", [] );
4366  },
4367 
4368  // Get a promise resolved when queues of a certain type
4369  // are emptied (fx is the type by default)
4370  promise: function( type, obj ) {
4371  var tmp,
4372  count = 1,
4373  defer = jQuery.Deferred(),
4374  elements = this,
4375  i = this.length,
4376  resolve = function() {
4377  if ( !( --count ) ) {
4378  defer.resolveWith( elements, [ elements ] );
4379  }
4380  };
4381 
4382  if ( typeof type !== "string" ) {
4383  obj = type;
4384  type = undefined;
4385  }
4386  type = type || "fx";
4387 
4388  while ( i-- ) {
4389  tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4390  if ( tmp && tmp.empty ) {
4391  count++;
4392  tmp.empty.add( resolve );
4393  }
4394  }
4395  resolve();
4396  return defer.promise( obj );
4397  }
4398 } );
4399 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4400 
4401 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4402 
4403 
4404 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4405 
4406 var isHiddenWithinTree = function( elem, el ) {
4407 
4408  // isHiddenWithinTree might be called from jQuery#filter function;
4409  // in that case, element will be second argument
4410  elem = el || elem;
4411 
4412  // Inline style trumps all
4413  return elem.style.display === "none" ||
4414  elem.style.display === "" &&
4415 
4416  // Otherwise, check computed style
4417  // Support: Firefox <=43 - 45
4418  // Disconnected elements can have computed display: none, so first confirm that elem is
4419  // in the document.
4420  jQuery.contains( elem.ownerDocument, elem ) &&
4421 
4422  jQuery.css( elem, "display" ) === "none";
4423  };
4424 
4425 var swap = function( elem, options, callback, args ) {
4426  var ret, name,
4427  old = {};
4428 
4429  // Remember the old values, and insert the new ones
4430  for ( name in options ) {
4431  old[ name ] = elem.style[ name ];
4432  elem.style[ name ] = options[ name ];
4433  }
4434 
4435  ret = callback.apply( elem, args || [] );
4436 
4437  // Revert the old values
4438  for ( name in options ) {
4439  elem.style[ name ] = old[ name ];
4440  }
4441 
4442  return ret;
4443 };
4444 
4445 
4446 
4447 
4448 function adjustCSS( elem, prop, valueParts, tween ) {
4449  var adjusted,
4450  scale = 1,
4451  maxIterations = 20,
4452  currentValue = tween ?
4453  function() {
4454  return tween.cur();
4455  } :
4456  function() {
4457  return jQuery.css( elem, prop, "" );
4458  },
4459  initial = currentValue(),
4460  unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4461 
4462  // Starting value computation is required for potential unit mismatches
4463  initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4464  rcssNum.exec( jQuery.css( elem, prop ) );
4465 
4466  if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4467 
4468  // Trust units reported by jQuery.css
4469  unit = unit || initialInUnit[ 3 ];
4470 
4471  // Make sure we update the tween properties later on
4472  valueParts = valueParts || [];
4473 
4474  // Iteratively approximate from a nonzero starting point
4475  initialInUnit = +initial || 1;
4476 
4477  do {
4478 
4479  // If previous iteration zeroed out, double until we get *something*.
4480  // Use string for doubling so we don't accidentally see scale as unchanged below
4481  scale = scale || ".5";
4482 
4483  // Adjust and apply
4484  initialInUnit = initialInUnit / scale;
4485  jQuery.style( elem, prop, initialInUnit + unit );
4486 
4487  // Update scale, tolerating zero or NaN from tween.cur()
4488  // Break the loop if scale is unchanged or perfect, or if we've just had enough.
4489  } while (
4490  scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
4491  );
4492  }
4493 
4494  if ( valueParts ) {
4495  initialInUnit = +initialInUnit || +initial || 0;
4496 
4497  // Apply relative offset (+=/-=) if specified
4498  adjusted = valueParts[ 1 ] ?
4499  initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4500  +valueParts[ 2 ];
4501  if ( tween ) {
4502  tween.unit = unit;
4503  tween.start = initialInUnit;
4504  tween.end = adjusted;
4505  }
4506  }
4507  return adjusted;
4508 }
4509 
4510 
4511 var defaultDisplayMap = {};
4512 
4513 function getDefaultDisplay( elem ) {
4514  var temp,
4515  doc = elem.ownerDocument,
4516  nodeName = elem.nodeName,
4517  display = defaultDisplayMap[ nodeName ];
4518 
4519  if ( display ) {
4520  return display;
4521  }
4522 
4523  temp = doc.body.appendChild( doc.createElement( nodeName ) ),
4524  display = jQuery.css( temp, "display" );
4525 
4526  temp.parentNode.removeChild( temp );
4527 
4528  if ( display === "none" ) {
4529  display = "block";
4530  }
4531  defaultDisplayMap[ nodeName ] = display;
4532 
4533  return display;
4534 }
4535 
4536 function showHide( elements, show ) {
4537  var display, elem,
4538  values = [],
4539  index = 0,
4540  length = elements.length;
4541 
4542  // Determine new display value for elements that need to change
4543  for ( ; index < length; index++ ) {
4544  elem = elements[ index ];
4545  if ( !elem.style ) {
4546  continue;
4547  }
4548 
4549  display = elem.style.display;
4550  if ( show ) {
4551 
4552  // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4553  // check is required in this first loop unless we have a nonempty display value (either
4554  // inline or about-to-be-restored)
4555  if ( display === "none" ) {
4556  values[ index ] = dataPriv.get( elem, "display" ) || null;
4557  if ( !values[ index ] ) {
4558  elem.style.display = "";
4559  }
4560  }
4561  if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4562  values[ index ] = getDefaultDisplay( elem );
4563  }
4564  } else {
4565  if ( display !== "none" ) {
4566  values[ index ] = "none";
4567 
4568  // Remember what we're overwriting
4569  dataPriv.set( elem, "display", display );
4570  }
4571  }
4572  }
4573 
4574  // Set the display of the elements in a second loop to avoid constant reflow
4575  for ( index = 0; index < length; index++ ) {
4576  if ( values[ index ] != null ) {
4577  elements[ index ].style.display = values[ index ];
4578  }
4579  }
4580 
4581  return elements;
4582 }
4583 
4584 jQuery.fn.extend( {
4585  show: function() {
4586  return showHide( this, true );
4587  },
4588  hide: function() {
4589  return showHide( this );
4590  },
4591  toggle: function( state ) {
4592  if ( typeof state === "boolean" ) {
4593  return state ? this.show() : this.hide();
4594  }
4595 
4596  return this.each( function() {
4597  if ( isHiddenWithinTree( this ) ) {
4598  jQuery( this ).show();
4599  } else {
4600  jQuery( this ).hide();
4601  }
4602  } );
4603  }
4604 } );
4605 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4606 
4607 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4608 
4609 var rscriptType = ( /^$|\/(?:java|ecma)script/i );
4610 
4611 
4612 
4613 // We have to close these tags to support XHTML (#13200)
4614 var wrapMap = {
4615 
4616  // Support: IE <=9 only
4617  option: [ 1, "<select multiple='multiple'>", "</select>" ],
4618 
4619  // XHTML parsers do not magically insert elements in the
4620  // same way that tag soup parsers do. So we cannot shorten
4621  // this by omitting <tbody> or other required elements.
4622  thead: [ 1, "<table>", "</table>" ],
4623  col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4624  tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4625  td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4626 
4627  _default: [ 0, "", "" ]
4628 };
4629 
4630 // Support: IE <=9 only
4631 wrapMap.optgroup = wrapMap.option;
4632 
4633 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4634 wrapMap.th = wrapMap.td;
4635 
4636 
4637 function getAll( context, tag ) {
4638 
4639  // Support: IE <=9 - 11 only
4640  // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4641  var ret = typeof context.getElementsByTagName !== "undefined" ?
4642  context.getElementsByTagName( tag || "*" ) :
4643  typeof context.querySelectorAll !== "undefined" ?
4644  context.querySelectorAll( tag || "*" ) :
4645  [];
4646 
4647  return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
4648  jQuery.merge( [ context ], ret ) :
4649  ret;
4650 }
4651 
4652 
4653 // Mark scripts as having already been evaluated
4654 function setGlobalEval( elems, refElements ) {
4655  var i = 0,
4656  l = elems.length;
4657 
4658  for ( ; i < l; i++ ) {
4659  dataPriv.set(
4660  elems[ i ],
4661  "globalEval",
4662  !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4663  );
4664  }
4665 }
4666 
4667 
4668 var rhtml = /<|&#?\w+;/;
4669 
4670 function buildFragment( elems, context, scripts, selection, ignored ) {
4671  var elem, tmp, tag, wrap, contains, j,
4672  fragment = context.createDocumentFragment(),
4673  nodes = [],
4674  i = 0,
4675  l = elems.length;
4676 
4677  for ( ; i < l; i++ ) {
4678  elem = elems[ i ];
4679 
4680  if ( elem || elem === 0 ) {
4681 
4682  // Add nodes directly
4683  if ( jQuery.type( elem ) === "object" ) {
4684 
4685  // Support: Android <=4.0 only, PhantomJS 1 only
4686  // push.apply(_, arraylike) throws on ancient WebKit
4687  jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4688 
4689  // Convert non-html into a text node
4690  } else if ( !rhtml.test( elem ) ) {
4691  nodes.push( context.createTextNode( elem ) );
4692 
4693  // Convert html into DOM nodes
4694  } else {
4695  tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4696 
4697  // Deserialize a standard representation
4698  tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4699  wrap = wrapMap[ tag ] || wrapMap._default;
4700  tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4701 
4702  // Descend through wrappers to the right content
4703  j = wrap[ 0 ];
4704  while ( j-- ) {
4705  tmp = tmp.lastChild;
4706  }
4707 
4708  // Support: Android <=4.0 only, PhantomJS 1 only
4709  // push.apply(_, arraylike) throws on ancient WebKit
4710  jQuery.merge( nodes, tmp.childNodes );
4711 
4712  // Remember the top-level container
4713  tmp = fragment.firstChild;
4714 
4715  // Ensure the created nodes are orphaned (#12392)
4716  tmp.textContent = "";
4717  }
4718  }
4719  }
4720 
4721  // Remove wrapper from fragment
4722  fragment.textContent = "";
4723 
4724  i = 0;
4725  while ( ( elem = nodes[ i++ ] ) ) {
4726 
4727  // Skip elements already in the context collection (trac-4087)
4728  if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4729  if ( ignored ) {
4730  ignored.push( elem );
4731  }
4732  continue;
4733  }
4734 
4735  contains = jQuery.contains( elem.ownerDocument, elem );
4736 
4737  // Append to fragment
4738  tmp = getAll( fragment.appendChild( elem ), "script" );
4739 
4740  // Preserve script evaluation history
4741  if ( contains ) {
4742  setGlobalEval( tmp );
4743  }
4744 
4745  // Capture executables
4746  if ( scripts ) {
4747  j = 0;
4748  while ( ( elem = tmp[ j++ ] ) ) {
4749  if ( rscriptType.test( elem.type || "" ) ) {
4750  scripts.push( elem );
4751  }
4752  }
4753  }
4754  }
4755 
4756  return fragment;
4757 }
4758 
4759 
4760 ( function() {
4761  var fragment = document.createDocumentFragment(),
4762  div = fragment.appendChild( document.createElement( "div" ) ),
4763  input = document.createElement( "input" );
4764 
4765  // Support: Android 4.0 - 4.3 only
4766  // Check state lost if the name is set (#11217)
4767  // Support: Windows Web Apps (WWA)
4768  // `name` and `type` must use .setAttribute for WWA (#14901)
4769  input.setAttribute( "type", "radio" );
4770  input.setAttribute( "checked", "checked" );
4771  input.setAttribute( "name", "t" );
4772 
4773  div.appendChild( input );
4774 
4775  // Support: Android <=4.1 only
4776  // Older WebKit doesn't clone checked state correctly in fragments
4777  support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4778 
4779  // Support: IE <=11 only
4780  // Make sure textarea (and checkbox) defaultValue is properly cloned
4781  div.innerHTML = "<textarea>x</textarea>";
4782  support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4783 } )();
4784 var documentElement = document.documentElement;
4785 
4786 
4787 
4788 var
4789  rkeyEvent = /^key/,
4790  rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4791  rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4792 
4793 function returnTrue() {
4794  return true;
4795 }
4796 
4797 function returnFalse() {
4798  return false;
4799 }
4800 
4801 // Support: IE <=9 only
4802 // See #13393 for more info
4803 function safeActiveElement() {
4804  try {
4805  return document.activeElement;
4806  } catch ( err ) { }
4807 }
4808 
4809 function on( elem, types, selector, data, fn, one ) {
4810  var origFn, type;
4811 
4812  // Types can be a map of types/handlers
4813  if ( typeof types === "object" ) {
4814 
4815  // ( types-Object, selector, data )
4816  if ( typeof selector !== "string" ) {
4817 
4818  // ( types-Object, data )
4819  data = data || selector;
4820  selector = undefined;
4821  }
4822  for ( type in types ) {
4823  on( elem, type, selector, data, types[ type ], one );
4824  }
4825  return elem;
4826  }
4827 
4828  if ( data == null && fn == null ) {
4829 
4830  // ( types, fn )
4831  fn = selector;
4832  data = selector = undefined;
4833  } else if ( fn == null ) {
4834  if ( typeof selector === "string" ) {
4835 
4836  // ( types, selector, fn )
4837  fn = data;
4838  data = undefined;
4839  } else {
4840 
4841  // ( types, data, fn )
4842  fn = data;
4843  data = selector;
4844  selector = undefined;
4845  }
4846  }
4847  if ( fn === false ) {
4848  fn = returnFalse;
4849  } else if ( !fn ) {
4850  return elem;
4851  }
4852 
4853  if ( one === 1 ) {
4854  origFn = fn;
4855  fn = function( event ) {
4856 
4857  // Can use an empty set, since event contains the info
4858  jQuery().off( event );
4859  return origFn.apply( this, arguments );
4860  };
4861 
4862  // Use same guid so caller can remove using origFn
4863  fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4864  }
4865  return elem.each( function() {
4866  jQuery.event.add( this, types, fn, data, selector );
4867  } );
4868 }
4869 
4870 /*
4871  * Helper functions for managing events -- not part of the public interface.
4872  * Props to Dean Edwards' addEvent library for many of the ideas.
4873  */
4874 jQuery.event = {
4875 
4876  global: {},
4877 
4878  add: function( elem, types, handler, data, selector ) {
4879 
4880  var handleObjIn, eventHandle, tmp,
4881  events, t, handleObj,
4882  special, handlers, type, namespaces, origType,
4883  elemData = dataPriv.get( elem );
4884 
4885  // Don't attach events to noData or text/comment nodes (but allow plain objects)
4886  if ( !elemData ) {
4887  return;
4888  }
4889 
4890  // Caller can pass in an object of custom data in lieu of the handler
4891  if ( handler.handler ) {
4892  handleObjIn = handler;
4893  handler = handleObjIn.handler;
4894  selector = handleObjIn.selector;
4895  }
4896 
4897  // Ensure that invalid selectors throw exceptions at attach time
4898  // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4899  if ( selector ) {
4900  jQuery.find.matchesSelector( documentElement, selector );
4901  }
4902 
4903  // Make sure that the handler has a unique ID, used to find/remove it later
4904  if ( !handler.guid ) {
4905  handler.guid = jQuery.guid++;
4906  }
4907 
4908  // Init the element's event structure and main handler, if this is the first
4909  if ( !( events = elemData.events ) ) {
4910  events = elemData.events = {};
4911  }
4912  if ( !( eventHandle = elemData.handle ) ) {
4913  eventHandle = elemData.handle = function( e ) {
4914 
4915  // Discard the second event of a jQuery.event.trigger() and
4916  // when an event is called after a page has unloaded
4917  return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
4918  jQuery.event.dispatch.apply( elem, arguments ) : undefined;
4919  };
4920  }
4921 
4922  // Handle multiple events separated by a space
4923  types = ( types || "" ).match( rnotwhite ) || [ "" ];
4924  t = types.length;
4925  while ( t-- ) {
4926  tmp = rtypenamespace.exec( types[ t ] ) || [];
4927  type = origType = tmp[ 1 ];
4928  namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
4929 
4930  // There *must* be a type, no attaching namespace-only handlers
4931  if ( !type ) {
4932  continue;
4933  }
4934 
4935  // If event changes its type, use the special event handlers for the changed type
4936  special = jQuery.event.special[ type ] || {};
4937 
4938  // If selector defined, determine special event api type, otherwise given type
4939  type = ( selector ? special.delegateType : special.bindType ) || type;
4940 
4941  // Update special based on newly reset type
4942  special = jQuery.event.special[ type ] || {};
4943 
4944  // handleObj is passed to all event handlers
4945  handleObj = jQuery.extend( {
4946  type: type,
4947  origType: origType,
4948  data: data,
4949  handler: handler,
4950  guid: handler.guid,
4951  selector: selector,
4952  needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4953  namespace: namespaces.join( "." )
4954  }, handleObjIn );
4955 
4956  // Init the event handler queue if we're the first
4957  if ( !( handlers = events[ type ] ) ) {
4958  handlers = events[ type ] = [];
4959  handlers.delegateCount = 0;
4960 
4961  // Only use addEventListener if the special events handler returns false
4962  if ( !special.setup ||
4963  special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4964 
4965  if ( elem.addEventListener ) {
4966  elem.addEventListener( type, eventHandle );
4967  }
4968  }
4969  }
4970 
4971  if ( special.add ) {
4972  special.add.call( elem, handleObj );
4973 
4974  if ( !handleObj.handler.guid ) {
4975  handleObj.handler.guid = handler.guid;
4976  }
4977  }
4978 
4979  // Add to the element's handler list, delegates in front
4980  if ( selector ) {
4981  handlers.splice( handlers.delegateCount++, 0, handleObj );
4982  } else {
4983  handlers.push( handleObj );
4984  }
4985 
4986  // Keep track of which events have ever been used, for event optimization
4987  jQuery.event.global[ type ] = true;
4988  }
4989 
4990  },
4991 
4992  // Detach an event or set of events from an element
4993  remove: function( elem, types, handler, selector, mappedTypes ) {
4994 
4995  var j, origCount, tmp,
4996  events, t, handleObj,
4997  special, handlers, type, namespaces, origType,
4998  elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
4999 
5000  if ( !elemData || !( events = elemData.events ) ) {
5001  return;
5002  }
5003 
5004  // Once for each type.namespace in types; type may be omitted
5005  types = ( types || "" ).match( rnotwhite ) || [ "" ];
5006  t = types.length;
5007  while ( t-- ) {
5008  tmp = rtypenamespace.exec( types[ t ] ) || [];
5009  type = origType = tmp[ 1 ];
5010  namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5011 
5012  // Unbind all events (on this namespace, if provided) for the element
5013  if ( !type ) {
5014  for ( type in events ) {
5015  jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5016  }
5017  continue;
5018  }
5019 
5020  special = jQuery.event.special[ type ] || {};
5021  type = ( selector ? special.delegateType : special.bindType ) || type;
5022  handlers = events[ type ] || [];
5023  tmp = tmp[ 2 ] &&
5024  new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5025 
5026  // Remove matching events
5027  origCount = j = handlers.length;
5028  while ( j-- ) {
5029  handleObj = handlers[ j ];
5030 
5031  if ( ( mappedTypes || origType === handleObj.origType ) &&
5032  ( !handler || handler.guid === handleObj.guid ) &&
5033  ( !tmp || tmp.test( handleObj.namespace ) ) &&
5034  ( !selector || selector === handleObj.selector ||
5035  selector === "**" && handleObj.selector ) ) {
5036  handlers.splice( j, 1 );
5037 
5038  if ( handleObj.selector ) {
5039  handlers.delegateCount--;
5040  }
5041  if ( special.remove ) {
5042  special.remove.call( elem, handleObj );
5043  }
5044  }
5045  }
5046 
5047  // Remove generic event handler if we removed something and no more handlers exist
5048  // (avoids potential for endless recursion during removal of special event handlers)
5049  if ( origCount && !handlers.length ) {
5050  if ( !special.teardown ||
5051  special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5052 
5053  jQuery.removeEvent( elem, type, elemData.handle );
5054  }
5055 
5056  delete events[ type ];
5057  }
5058  }
5059 
5060  // Remove data and the expando if it's no longer used
5061  if ( jQuery.isEmptyObject( events ) ) {
5062  dataPriv.remove( elem, "handle events" );
5063  }
5064  },
5065 
5066  dispatch: function( nativeEvent ) {
5067 
5068  // Make a writable jQuery.Event from the native event object
5069  var event = jQuery.event.fix( nativeEvent );
5070 
5071  var i, j, ret, matched, handleObj, handlerQueue,
5072  args = new Array( arguments.length ),
5073  handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5074  special = jQuery.event.special[ event.type ] || {};
5075 
5076  // Use the fix-ed jQuery.Event rather than the (read-only) native event
5077  args[ 0 ] = event;
5078 
5079  for ( i = 1; i < arguments.length; i++ ) {
5080  args[ i ] = arguments[ i ];
5081  }
5082 
5083  event.delegateTarget = this;
5084 
5085  // Call the preDispatch hook for the mapped type, and let it bail if desired
5086  if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5087  return;
5088  }
5089 
5090  // Determine handlers
5091  handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5092 
5093  // Run delegates first; they may want to stop propagation beneath us
5094  i = 0;
5095  while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5096  event.currentTarget = matched.elem;
5097 
5098  j = 0;
5099  while ( ( handleObj = matched.handlers[ j++ ] ) &&
5100  !event.isImmediatePropagationStopped() ) {
5101 
5102  // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5103  // a subset or equal to those in the bound event (both can have no namespace).
5104  if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5105 
5106  event.handleObj = handleObj;
5107  event.data = handleObj.data;
5108 
5109  ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5110  handleObj.handler ).apply( matched.elem, args );
5111 
5112  if ( ret !== undefined ) {
5113  if ( ( event.result = ret ) === false ) {
5114  event.preventDefault();
5115  event.stopPropagation();
5116  }
5117  }
5118  }
5119  }
5120  }
5121 
5122  // Call the postDispatch hook for the mapped type
5123  if ( special.postDispatch ) {
5124  special.postDispatch.call( this, event );
5125  }
5126 
5127  return event.result;
5128  },
5129 
5130  handlers: function( event, handlers ) {
5131  var i, matches, sel, handleObj,
5132  handlerQueue = [],
5133  delegateCount = handlers.delegateCount,
5134  cur = event.target;
5135 
5136  // Support: IE <=9
5137  // Find delegate handlers
5138  // Black-hole SVG <use> instance trees (#13180)
5139  //
5140  // Support: Firefox <=42
5141  // Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
5142  if ( delegateCount && cur.nodeType &&
5143  ( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
5144 
5145  for ( ; cur !== this; cur = cur.parentNode || this ) {
5146 
5147  // Don't check non-elements (#13208)
5148  // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5149  if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) {
5150  matches = [];
5151  for ( i = 0; i < delegateCount; i++ ) {
5152  handleObj = handlers[ i ];
5153 
5154  // Don't conflict with Object.prototype properties (#13203)
5155  sel = handleObj.selector + " ";
5156 
5157  if ( matches[ sel ] === undefined ) {
5158  matches[ sel ] = handleObj.needsContext ?
5159  jQuery( sel, this ).index( cur ) > -1 :
5160  jQuery.find( sel, this, null, [ cur ] ).length;
5161  }
5162  if ( matches[ sel ] ) {
5163  matches.push( handleObj );
5164  }
5165  }
5166  if ( matches.length ) {
5167  handlerQueue.push( { elem: cur, handlers: matches } );
5168  }
5169  }
5170  }
5171  }
5172 
5173  // Add the remaining (directly-bound) handlers
5174  if ( delegateCount < handlers.length ) {
5175  handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );
5176  }
5177 
5178  return handlerQueue;
5179  },
5180 
5181  addProp: function( name, hook ) {
5182  Object.defineProperty( jQuery.Event.prototype, name, {
5183  enumerable: true,
5184  configurable: true,
5185 
5186  get: jQuery.isFunction( hook ) ?
5187  function() {
5188  if ( this.originalEvent ) {
5189  return hook( this.originalEvent );
5190  }
5191  } :
5192  function() {
5193  if ( this.originalEvent ) {
5194  return this.originalEvent[ name ];
5195  }
5196  },
5197 
5198  set: function( value ) {
5199  Object.defineProperty( this, name, {
5200  enumerable: true,
5201  configurable: true,
5202  writable: true,
5203  value: value
5204  } );
5205  }
5206  } );
5207  },
5208 
5209  fix: function( originalEvent ) {
5210  return originalEvent[ jQuery.expando ] ?
5211  originalEvent :
5212  new jQuery.Event( originalEvent );
5213  },
5214 
5215  special: {
5216  load: {
5217 
5218  // Prevent triggered image.load events from bubbling to window.load
5219  noBubble: true
5220  },
5221  focus: {
5222 
5223  // Fire native event if possible so blur/focus sequence is correct
5224  trigger: function() {
5225  if ( this !== safeActiveElement() && this.focus ) {
5226  this.focus();
5227  return false;
5228  }
5229  },
5230  delegateType: "focusin"
5231  },
5232  blur: {
5233  trigger: function() {
5234  if ( this === safeActiveElement() && this.blur ) {
5235  this.blur();
5236  return false;
5237  }
5238  },
5239  delegateType: "focusout"
5240  },
5241  click: {
5242 
5243  // For checkbox, fire native event so checked state will be right
5244  trigger: function() {
5245  if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
5246  this.click();
5247  return false;
5248  }
5249  },
5250 
5251  // For cross-browser consistency, don't fire native .click() on links
5252  _default: function( event ) {
5253  return jQuery.nodeName( event.target, "a" );
5254  }
5255  },
5256 
5257  beforeunload: {
5258  postDispatch: function( event ) {
5259 
5260  // Support: Firefox 20+
5261  // Firefox doesn't alert if the returnValue field is not set.
5262  if ( event.result !== undefined && event.originalEvent ) {
5263  event.originalEvent.returnValue = event.result;
5264  }
5265  }
5266  }
5267  }
5268 };
5269 
5270 jQuery.removeEvent = function( elem, type, handle ) {
5271 
5272  // This "if" is needed for plain objects
5273  if ( elem.removeEventListener ) {
5274  elem.removeEventListener( type, handle );
5275  }
5276 };
5277 
5278 jQuery.Event = function( src, props ) {
5279 
5280  // Allow instantiation without the 'new' keyword
5281  if ( !( this instanceof jQuery.Event ) ) {
5282  return new jQuery.Event( src, props );
5283  }
5284 
5285  // Event object
5286  if ( src && src.type ) {
5287  this.originalEvent = src;
5288  this.type = src.type;
5289 
5290  // Events bubbling up the document may have been marked as prevented
5291  // by a handler lower down the tree; reflect the correct value.
5292  this.isDefaultPrevented = src.defaultPrevented ||
5293  src.defaultPrevented === undefined &&
5294 
5295  // Support: Android <=2.3 only
5296  src.returnValue === false ?
5297  returnTrue :
5298  returnFalse;
5299 
5300  // Create target properties
5301  // Support: Safari <=6 - 7 only
5302  // Target should not be a text node (#504, #13143)
5303  this.target = ( src.target && src.target.nodeType === 3 ) ?
5304  src.target.parentNode :
5305  src.target;
5306 
5307  this.currentTarget = src.currentTarget;
5308  this.relatedTarget = src.relatedTarget;
5309 
5310  // Event type
5311  } else {
5312  this.type = src;
5313  }
5314 
5315  // Put explicitly provided properties onto the event object
5316  if ( props ) {
5317  jQuery.extend( this, props );
5318  }
5319 
5320  // Create a timestamp if incoming event doesn't have one
5321  this.timeStamp = src && src.timeStamp || jQuery.now();
5322 
5323  // Mark it as fixed
5324  this[ jQuery.expando ] = true;
5325 };
5326 
5327 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5328 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5329 jQuery.Event.prototype = {
5330  constructor: jQuery.Event,
5331  isDefaultPrevented: returnFalse,
5332  isPropagationStopped: returnFalse,
5333  isImmediatePropagationStopped: returnFalse,
5334  isSimulated: false,
5335 
5336  preventDefault: function() {
5337  var e = this.originalEvent;
5338 
5339  this.isDefaultPrevented = returnTrue;
5340 
5341  if ( e && !this.isSimulated ) {
5342  e.preventDefault();
5343  }
5344  },
5345  stopPropagation: function() {
5346  var e = this.originalEvent;
5347 
5348  this.isPropagationStopped = returnTrue;
5349 
5350  if ( e && !this.isSimulated ) {
5351  e.stopPropagation();
5352  }
5353  },
5354  stopImmediatePropagation: function() {
5355  var e = this.originalEvent;
5356 
5357  this.isImmediatePropagationStopped = returnTrue;
5358 
5359  if ( e && !this.isSimulated ) {
5360  e.stopImmediatePropagation();
5361  }
5362 
5363  this.stopPropagation();
5364  }
5365 };
5366 
5367 // Includes all common event props including KeyEvent and MouseEvent specific props
5368 jQuery.each( {
5369  altKey: true,
5370  bubbles: true,
5371  cancelable: true,
5372  changedTouches: true,
5373  ctrlKey: true,
5374  detail: true,
5375  eventPhase: true,
5376  metaKey: true,
5377  pageX: true,
5378  pageY: true,
5379  shiftKey: true,
5380  view: true,
5381  "char": true,
5382  charCode: true,
5383  key: true,
5384  keyCode: true,
5385  button: true,
5386  buttons: true,
5387  clientX: true,
5388  clientY: true,
5389  offsetX: true,
5390  offsetY: true,
5391  pointerId: true,
5392  pointerType: true,
5393  screenX: true,
5394  screenY: true,
5395  targetTouches: true,
5396  toElement: true,
5397  touches: true,
5398 
5399  which: function( event ) {
5400  var button = event.button;
5401 
5402  // Add which for key events
5403  if ( event.which == null && rkeyEvent.test( event.type ) ) {
5404  return event.charCode != null ? event.charCode : event.keyCode;
5405  }
5406 
5407  // Add which for click: 1 === left; 2 === middle; 3 === right
5408  if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5409  return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
5410  }
5411 
5412  return event.which;
5413  }
5414 }, jQuery.event.addProp );
5415 
5416 // Create mouseenter/leave events using mouseover/out and event-time checks
5417 // so that event delegation works in jQuery.
5418 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5419 //
5420 // Support: Safari 7 only
5421 // Safari sends mouseenter too often; see:
5422 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5423 // for the description of the bug (it existed in older Chrome versions as well).
5424 jQuery.each( {
5425  mouseenter: "mouseover",
5426  mouseleave: "mouseout",
5427  pointerenter: "pointerover",
5428  pointerleave: "pointerout"
5429 }, function( orig, fix ) {
5430  jQuery.event.special[ orig ] = {
5431  delegateType: fix,
5432  bindType: fix,
5433 
5434  handle: function( event ) {
5435  var ret,
5436  target = this,
5437  related = event.relatedTarget,
5438  handleObj = event.handleObj;
5439 
5440  // For mouseenter/leave call the handler if related is outside the target.
5441  // NB: No relatedTarget if the mouse left/entered the browser window
5442  if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5443  event.type = handleObj.origType;
5444  ret = handleObj.handler.apply( this, arguments );
5445  event.type = fix;
5446  }
5447  return ret;
5448  }
5449  };
5450 } );
5451 
5452 jQuery.fn.extend( {
5453 
5454  on: function( types, selector, data, fn ) {
5455  return on( this, types, selector, data, fn );
5456  },
5457  one: function( types, selector, data, fn ) {
5458  return on( this, types, selector, data, fn, 1 );
5459  },
5460  off: function( types, selector, fn ) {
5461  var handleObj, type;
5462  if ( types && types.preventDefault && types.handleObj ) {
5463 
5464  // ( event ) dispatched jQuery.Event
5465  handleObj = types.handleObj;
5466  jQuery( types.delegateTarget ).off(
5467  handleObj.namespace ?
5468  handleObj.origType + "." + handleObj.namespace :
5469  handleObj.origType,
5470  handleObj.selector,
5471  handleObj.handler
5472  );
5473  return this;
5474  }
5475  if ( typeof types === "object" ) {
5476 
5477  // ( types-object [, selector] )
5478  for ( type in types ) {
5479  this.off( type, selector, types[ type ] );
5480  }
5481  return this;
5482  }
5483  if ( selector === false || typeof selector === "function" ) {
5484 
5485  // ( types [, fn] )
5486  fn = selector;
5487  selector = undefined;
5488  }
5489  if ( fn === false ) {
5490  fn = returnFalse;
5491  }
5492  return this.each( function() {
5493  jQuery.event.remove( this, types, fn, selector );
5494  } );
5495  }
5496 } );
5497 
5498 
5499 var
5500 
5501  /* eslint-disable max-len */
5502 
5503  // See https://github.com/eslint/eslint/issues/3229
5504  rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5505 
5506  /* eslint-enable */
5507 
5508  // Support: IE <=10 - 11, Edge 12 - 13
5509  // In IE/Edge using regex groups here causes severe slowdowns.
5510  // See https://connect.microsoft.com/IE/feedback/details/1736512/
5511  rnoInnerhtml = /<script|<style|<link/i,
5512 
5513  // checked="checked" or checked
5514  rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5515  rscriptTypeMasked = /^true\/(.*)/,
5516  rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5517 
5518 function manipulationTarget( elem, content ) {
5519  if ( jQuery.nodeName( elem, "table" ) &&
5520  jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5521 
5522  return elem.getElementsByTagName( "tbody" )[ 0 ] || elem;
5523  }
5524 
5525  return elem;
5526 }
5527 
5528 // Replace/restore the type attribute of script elements for safe DOM manipulation
5529 function disableScript( elem ) {
5530  elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5531  return elem;
5532 }
5533 function restoreScript( elem ) {
5534  var match = rscriptTypeMasked.exec( elem.type );
5535 
5536  if ( match ) {
5537  elem.type = match[ 1 ];
5538  } else {
5539  elem.removeAttribute( "type" );
5540  }
5541 
5542  return elem;
5543 }
5544 
5545 function cloneCopyEvent( src, dest ) {
5546  var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5547 
5548  if ( dest.nodeType !== 1 ) {
5549  return;
5550  }
5551 
5552  // 1. Copy private data: events, handlers, etc.
5553  if ( dataPriv.hasData( src ) ) {
5554  pdataOld = dataPriv.access( src );
5555  pdataCur = dataPriv.set( dest, pdataOld );
5556  events = pdataOld.events;
5557 
5558  if ( events ) {
5559  delete pdataCur.handle;
5560  pdataCur.events = {};
5561 
5562  for ( type in events ) {
5563  for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5564  jQuery.event.add( dest, type, events[ type ][ i ] );
5565  }
5566  }
5567  }
5568  }
5569 
5570  // 2. Copy user data
5571  if ( dataUser.hasData( src ) ) {
5572  udataOld = dataUser.access( src );
5573  udataCur = jQuery.extend( {}, udataOld );
5574 
5575  dataUser.set( dest, udataCur );
5576  }
5577 }
5578 
5579 // Fix IE bugs, see support tests
5580 function fixInput( src, dest ) {
5581  var nodeName = dest.nodeName.toLowerCase();
5582 
5583  // Fails to persist the checked state of a cloned checkbox or radio button.
5584  if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5585  dest.checked = src.checked;
5586 
5587  // Fails to return the selected option to the default selected state when cloning options
5588  } else if ( nodeName === "input" || nodeName === "textarea" ) {
5589  dest.defaultValue = src.defaultValue;
5590  }
5591 }
5592 
5593 function domManip( collection, args, callback, ignored ) {
5594 
5595  // Flatten any nested arrays
5596  args = concat.apply( [], args );
5597 
5598  var fragment, first, scripts, hasScripts, node, doc,
5599  i = 0,
5600  l = collection.length,
5601  iNoClone = l - 1,
5602  value = args[ 0 ],
5603  isFunction = jQuery.isFunction( value );
5604 
5605  // We can't cloneNode fragments that contain checked, in WebKit
5606  if ( isFunction ||
5607  ( l > 1 && typeof value === "string" &&
5608  !support.checkClone && rchecked.test( value ) ) ) {
5609  return collection.each( function( index ) {
5610  var self = collection.eq( index );
5611  if ( isFunction ) {
5612  args[ 0 ] = value.call( this, index, self.html() );
5613  }
5614  domManip( self, args, callback, ignored );
5615  } );
5616  }
5617 
5618  if ( l ) {
5619  fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5620  first = fragment.firstChild;
5621 
5622  if ( fragment.childNodes.length === 1 ) {
5623  fragment = first;
5624  }
5625 
5626  // Require either new content or an interest in ignored elements to invoke the callback
5627  if ( first || ignored ) {
5628  scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5629  hasScripts = scripts.length;
5630 
5631  // Use the original fragment for the last item
5632  // instead of the first because it can end up
5633  // being emptied incorrectly in certain situations (#8070).
5634  for ( ; i < l; i++ ) {
5635  node = fragment;
5636 
5637  if ( i !== iNoClone ) {
5638  node = jQuery.clone( node, true, true );
5639 
5640  // Keep references to cloned scripts for later restoration
5641  if ( hasScripts ) {
5642 
5643  // Support: Android <=4.0 only, PhantomJS 1 only
5644  // push.apply(_, arraylike) throws on ancient WebKit
5645  jQuery.merge( scripts, getAll( node, "script" ) );
5646  }
5647  }
5648 
5649  callback.call( collection[ i ], node, i );
5650  }
5651 
5652  if ( hasScripts ) {
5653  doc = scripts[ scripts.length - 1 ].ownerDocument;
5654 
5655  // Reenable scripts
5656  jQuery.map( scripts, restoreScript );
5657 
5658  // Evaluate executable scripts on first document insertion
5659  for ( i = 0; i < hasScripts; i++ ) {
5660  node = scripts[ i ];
5661  if ( rscriptType.test( node.type || "" ) &&
5662  !dataPriv.access( node, "globalEval" ) &&
5663  jQuery.contains( doc, node ) ) {
5664 
5665  if ( node.src ) {
5666 
5667  // Optional AJAX dependency, but won't run scripts if not present
5668  if ( jQuery._evalUrl ) {
5669  jQuery._evalUrl( node.src );
5670  }
5671  } else {
5672  DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
5673  }
5674  }
5675  }
5676  }
5677  }
5678  }
5679 
5680  return collection;
5681 }
5682 
5683 function remove( elem, selector, keepData ) {
5684  var node,
5685  nodes = selector ? jQuery.filter( selector, elem ) : elem,
5686  i = 0;
5687 
5688  for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5689  if ( !keepData && node.nodeType === 1 ) {
5690  jQuery.cleanData( getAll( node ) );
5691  }
5692 
5693  if ( node.parentNode ) {
5694  if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5695  setGlobalEval( getAll( node, "script" ) );
5696  }
5697  node.parentNode.removeChild( node );
5698  }
5699  }
5700 
5701  return elem;
5702 }
5703 
5704 jQuery.extend( {
5705  htmlPrefilter: function( html ) {
5706  return html.replace( rxhtmlTag, "<$1></$2>" );
5707  },
5708 
5709  clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5710  var i, l, srcElements, destElements,
5711  clone = elem.cloneNode( true ),
5712  inPage = jQuery.contains( elem.ownerDocument, elem );
5713 
5714  // Fix IE cloning issues
5715  if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5716  !jQuery.isXMLDoc( elem ) ) {
5717 
5718  // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5719  destElements = getAll( clone );
5720  srcElements = getAll( elem );
5721 
5722  for ( i = 0, l = srcElements.length; i < l; i++ ) {
5723  fixInput( srcElements[ i ], destElements[ i ] );
5724  }
5725  }
5726 
5727  // Copy the events from the original to the clone
5728  if ( dataAndEvents ) {
5729  if ( deepDataAndEvents ) {
5730  srcElements = srcElements || getAll( elem );
5731  destElements = destElements || getAll( clone );
5732 
5733  for ( i = 0, l = srcElements.length; i < l; i++ ) {
5734  cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5735  }
5736  } else {
5737  cloneCopyEvent( elem, clone );
5738  }
5739  }
5740 
5741  // Preserve script evaluation history
5742  destElements = getAll( clone, "script" );
5743  if ( destElements.length > 0 ) {
5744  setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5745  }
5746 
5747  // Return the cloned set
5748  return clone;
5749  },
5750 
5751  cleanData: function( elems ) {
5752  var data, elem, type,
5753  special = jQuery.event.special,
5754  i = 0;
5755 
5756  for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5757  if ( acceptData( elem ) ) {
5758  if ( ( data = elem[ dataPriv.expando ] ) ) {
5759  if ( data.events ) {
5760  for ( type in data.events ) {
5761  if ( special[ type ] ) {
5762  jQuery.event.remove( elem, type );
5763 
5764  // This is a shortcut to avoid jQuery.event.remove's overhead
5765  } else {
5766  jQuery.removeEvent( elem, type, data.handle );
5767  }
5768  }
5769  }
5770 
5771  // Support: Chrome <=35 - 45+
5772  // Assign undefined instead of using delete, see Data#remove
5773  elem[ dataPriv.expando ] = undefined;
5774  }
5775  if ( elem[ dataUser.expando ] ) {
5776 
5777  // Support: Chrome <=35 - 45+
5778  // Assign undefined instead of using delete, see Data#remove
5779  elem[ dataUser.expando ] = undefined;
5780  }
5781  }
5782  }
5783  }
5784 } );
5785 
5786 jQuery.fn.extend( {
5787  detach: function( selector ) {
5788  return remove( this, selector, true );
5789  },
5790 
5791  remove: function( selector ) {
5792  return remove( this, selector );
5793  },
5794 
5795  text: function( value ) {
5796  return access( this, function( value ) {
5797  return value === undefined ?
5798  jQuery.text( this ) :
5799  this.empty().each( function() {
5800  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5801  this.textContent = value;
5802  }
5803  } );
5804  }, null, value, arguments.length );
5805  },
5806 
5807  append: function() {
5808  return domManip( this, arguments, function( elem ) {
5809  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5810  var target = manipulationTarget( this, elem );
5811  target.appendChild( elem );
5812  }
5813  } );
5814  },
5815 
5816  prepend: function() {
5817  return domManip( this, arguments, function( elem ) {
5818  if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5819  var target = manipulationTarget( this, elem );
5820  target.insertBefore( elem, target.firstChild );
5821  }
5822  } );
5823  },
5824 
5825  before: function() {
5826  return domManip( this, arguments, function( elem ) {
5827  if ( this.parentNode ) {
5828  this.parentNode.insertBefore( elem, this );
5829  }
5830  } );
5831  },
5832 
5833  after: function() {
5834  return domManip( this, arguments, function( elem ) {
5835  if ( this.parentNode ) {
5836  this.parentNode.insertBefore( elem, this.nextSibling );
5837  }
5838  } );
5839  },
5840 
5841  empty: function() {
5842  var elem,
5843  i = 0;
5844 
5845  for ( ; ( elem = this[ i ] ) != null; i++ ) {
5846  if ( elem.nodeType === 1 ) {
5847 
5848  // Prevent memory leaks
5849  jQuery.cleanData( getAll( elem, false ) );
5850 
5851  // Remove any remaining nodes
5852  elem.textContent = "";
5853  }
5854  }
5855 
5856  return this;
5857  },
5858 
5859  clone: function( dataAndEvents, deepDataAndEvents ) {
5860  dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5861  deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5862 
5863  return this.map( function() {
5864  return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5865  } );
5866  },
5867 
5868  html: function( value ) {
5869  return access( this, function( value ) {
5870  var elem = this[ 0 ] || {},
5871  i = 0,
5872  l = this.length;
5873 
5874  if ( value === undefined && elem.nodeType === 1 ) {
5875  return elem.innerHTML;
5876  }
5877 
5878  // See if we can take a shortcut and just use innerHTML
5879  if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5880  !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5881 
5882  value = jQuery.htmlPrefilter( value );
5883 
5884  try {
5885  for ( ; i < l; i++ ) {
5886  elem = this[ i ] || {};
5887 
5888  // Remove element nodes and prevent memory leaks
5889  if ( elem.nodeType === 1 ) {
5890  jQuery.cleanData( getAll( elem, false ) );
5891  elem.innerHTML = value;
5892  }
5893  }
5894 
5895  elem = 0;
5896 
5897  // If using innerHTML throws an exception, use the fallback method
5898  } catch ( e ) {}
5899  }
5900 
5901  if ( elem ) {
5902  this.empty().append( value );
5903  }
5904  }, null, value, arguments.length );
5905  },
5906 
5907  replaceWith: function() {
5908  var ignored = [];
5909 
5910  // Make the changes, replacing each non-ignored context element with the new content
5911  return domManip( this, arguments, function( elem ) {
5912  var parent = this.parentNode;
5913 
5914  if ( jQuery.inArray( this, ignored ) < 0 ) {
5915  jQuery.cleanData( getAll( this ) );
5916  if ( parent ) {
5917  parent.replaceChild( elem, this );
5918  }
5919  }
5920 
5921  // Force callback invocation
5922  }, ignored );
5923  }
5924 } );
5925 
5926 jQuery.each( {
5927  appendTo: "append",
5928  prependTo: "prepend",
5929  insertBefore: "before",
5930  insertAfter: "after",
5931  replaceAll: "replaceWith"
5932 }, function( name, original ) {
5933  jQuery.fn[ name ] = function( selector ) {
5934  var elems,
5935  ret = [],
5936  insert = jQuery( selector ),
5937  last = insert.length - 1,
5938  i = 0;
5939 
5940  for ( ; i <= last; i++ ) {
5941  elems = i === last ? this : this.clone( true );
5942  jQuery( insert[ i ] )[ original ]( elems );
5943 
5944  // Support: Android <=4.0 only, PhantomJS 1 only
5945  // .get() because push.apply(_, arraylike) throws on ancient WebKit
5946  push.apply( ret, elems.get() );
5947  }
5948 
5949  return this.pushStack( ret );
5950  };
5951 } );
5952 var rmargin = ( /^margin/ );
5953 
5954 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
5955 
5956 var getStyles = function( elem ) {
5957 
5958  // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
5959  // IE throws on elements created in popups
5960  // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
5961  var view = elem.ownerDocument.defaultView;
5962 
5963  if ( !view || !view.opener ) {
5964  view = window;
5965  }
5966 
5967  return view.getComputedStyle( elem );
5968  };
5969 
5970 
5971 
5972 ( function() {
5973 
5974  // Executing both pixelPosition & boxSizingReliable tests require only one layout
5975  // so they're executed at the same time to save the second computation.
5976  function computeStyleTests() {
5977 
5978  // This is a singleton, we need to execute it only once
5979  if ( !div ) {
5980  return;
5981  }
5982 
5983  div.style.cssText =
5984  "box-sizing:border-box;" +
5985  "position:relative;display:block;" +
5986  "margin:auto;border:1px;padding:1px;" +
5987  "top:1%;width:50%";
5988  div.innerHTML = "";
5989  documentElement.appendChild( container );
5990 
5991  var divStyle = window.getComputedStyle( div );
5992  pixelPositionVal = divStyle.top !== "1%";
5993 
5994  // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
5995  reliableMarginLeftVal = divStyle.marginLeft === "2px";
5996  boxSizingReliableVal = divStyle.width === "4px";
5997 
5998  // Support: Android 4.0 - 4.3 only
5999  // Some styles come back with percentage values, even though they shouldn't
6000  div.style.marginRight = "50%";
6001  pixelMarginRightVal = divStyle.marginRight === "4px";
6002 
6003  documentElement.removeChild( container );
6004 
6005  // Nullify the div so it wouldn't be stored in the memory and
6006  // it will also be a sign that checks already performed
6007  div = null;
6008  }
6009 
6010  var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
6011  container = document.createElement( "div" ),
6012  div = document.createElement( "div" );
6013 
6014  // Finish early in limited (non-browser) environments
6015  if ( !div.style ) {
6016  return;
6017  }
6018 
6019  // Support: IE <=9 - 11 only
6020  // Style of cloned element affects source element cloned (#8908)
6021  div.style.backgroundClip = "content-box";
6022  div.cloneNode( true ).style.backgroundClip = "";
6023  support.clearCloneStyle = div.style.backgroundClip === "content-box";
6024 
6025  container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
6026  "padding:0;margin-top:1px;position:absolute";
6027  container.appendChild( div );
6028 
6029  jQuery.extend( support, {
6030  pixelPosition: function() {
6031  computeStyleTests();
6032  return pixelPositionVal;
6033  },
6034  boxSizingReliable: function() {
6035  computeStyleTests();
6036  return boxSizingReliableVal;
6037  },
6038  pixelMarginRight: function() {
6039  computeStyleTests();
6040  return pixelMarginRightVal;
6041  },
6042  reliableMarginLeft: function() {
6043  computeStyleTests();
6044  return reliableMarginLeftVal;
6045  }
6046  } );
6047 } )();
6048 
6049 
6050 function curCSS( elem, name, computed ) {
6051  var width, minWidth, maxWidth, ret,
6052  style = elem.style;
6053 
6054  computed = computed || getStyles( elem );
6055 
6056  // Support: IE <=9 only
6057  // getPropertyValue is only needed for .css('filter') (#12537)
6058  if ( computed ) {
6059  ret = computed.getPropertyValue( name ) || computed[ name ];
6060 
6061  if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6062  ret = jQuery.style( elem, name );
6063  }
6064 
6065  // A tribute to the "awesome hack by Dean Edwards"
6066  // Android Browser returns percentage for some values,
6067  // but width seems to be reliably pixels.
6068  // This is against the CSSOM draft spec:
6069  // https://drafts.csswg.org/cssom/#resolved-values
6070  if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6071 
6072  // Remember the original values
6073  width = style.width;
6074  minWidth = style.minWidth;
6075  maxWidth = style.maxWidth;
6076 
6077  // Put in the new values to get a computed value out
6078  style.minWidth = style.maxWidth = style.width = ret;
6079  ret = computed.width;
6080 
6081  // Revert the changed values
6082  style.width = width;
6083  style.minWidth = minWidth;
6084  style.maxWidth = maxWidth;
6085  }
6086  }
6087 
6088  return ret !== undefined ?
6089 
6090  // Support: IE <=9 - 11 only
6091  // IE returns zIndex value as an integer.
6092  ret + "" :
6093  ret;
6094 }
6095 
6096 
6097 function addGetHookIf( conditionFn, hookFn ) {
6098 
6099  // Define the hook, we'll check on the first run if it's really needed.
6100  return {
6101  get: function() {
6102  if ( conditionFn() ) {
6103 
6104  // Hook not needed (or it's not possible to use it due
6105  // to missing dependency), remove it.
6106  delete this.get;
6107  return;
6108  }
6109 
6110  // Hook needed; redefine it so that the support test is not executed again.
6111  return ( this.get = hookFn ).apply( this, arguments );
6112  }
6113  };
6114 }
6115 
6116 
6117 var
6118 
6119  // Swappable if display is none or starts with table
6120  // except "table", "table-cell", or "table-caption"
6121  // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6122  rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6123  cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6124  cssNormalTransform = {
6125  letterSpacing: "0",
6126  fontWeight: "400"
6127  },
6128 
6129  cssPrefixes = [ "Webkit", "Moz", "ms" ],
6130  emptyStyle = document.createElement( "div" ).style;
6131 
6132 // Return a css property mapped to a potentially vendor prefixed property
6133 function vendorPropName( name ) {
6134 
6135  // Shortcut for names that are not vendor prefixed
6136  if ( name in emptyStyle ) {
6137  return name;
6138  }
6139 
6140  // Check for vendor prefixed names
6141  var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6142  i = cssPrefixes.length;
6143 
6144  while ( i-- ) {
6145  name = cssPrefixes[ i ] + capName;
6146  if ( name in emptyStyle ) {
6147  return name;
6148  }
6149  }
6150 }
6151 
6152 function setPositiveNumber( elem, value, subtract ) {
6153 
6154  // Any relative (+/-) values have already been
6155  // normalized at this point
6156  var matches = rcssNum.exec( value );
6157  return matches ?
6158 
6159  // Guard against undefined "subtract", e.g., when used as in cssHooks
6160  Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6161  value;
6162 }
6163 
6164 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6165  var i = extra === ( isBorderBox ? "border" : "content" ) ?
6166 
6167  // If we already have the right measurement, avoid augmentation
6168  4 :
6169 
6170  // Otherwise initialize for horizontal or vertical properties
6171  name === "width" ? 1 : 0,
6172 
6173  val = 0;
6174 
6175  for ( ; i < 4; i += 2 ) {
6176 
6177  // Both box models exclude margin, so add it if we want it
6178  if ( extra === "margin" ) {
6179  val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6180  }
6181 
6182  if ( isBorderBox ) {
6183 
6184  // border-box includes padding, so remove it if we want content
6185  if ( extra === "content" ) {
6186  val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6187  }
6188 
6189  // At this point, extra isn't border nor margin, so remove border
6190  if ( extra !== "margin" ) {
6191  val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6192  }
6193  } else {
6194 
6195  // At this point, extra isn't content, so add padding
6196  val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6197 
6198  // At this point, extra isn't content nor padding, so add border
6199  if ( extra !== "padding" ) {
6200  val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6201  }
6202  }
6203  }
6204 
6205  return val;
6206 }
6207 
6208 function getWidthOrHeight( elem, name, extra ) {
6209 
6210  // Start with offset property, which is equivalent to the border-box value
6211  var val,
6212  valueIsBorderBox = true,
6213  styles = getStyles( elem ),
6214  isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6215 
6216  // Support: IE <=11 only
6217  // Running getBoundingClientRect on a disconnected node
6218  // in IE throws an error.
6219  if ( elem.getClientRects().length ) {
6220  val = elem.getBoundingClientRect()[ name ];
6221  }
6222 
6223  // Some non-html elements return undefined for offsetWidth, so check for null/undefined
6224  // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6225  // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6226  if ( val <= 0 || val == null ) {
6227 
6228  // Fall back to computed then uncomputed css if necessary
6229  val = curCSS( elem, name, styles );
6230  if ( val < 0 || val == null ) {
6231  val = elem.style[ name ];
6232  }
6233 
6234  // Computed unit is not pixels. Stop here and return.
6235  if ( rnumnonpx.test( val ) ) {
6236  return val;
6237  }
6238 
6239  // Check for style in case a browser which returns unreliable values
6240  // for getComputedStyle silently falls back to the reliable elem.style
6241  valueIsBorderBox = isBorderBox &&
6242  ( support.boxSizingReliable() || val === elem.style[ name ] );
6243 
6244  // Normalize "", auto, and prepare for extra
6245  val = parseFloat( val ) || 0;
6246  }
6247 
6248  // Use the active box-sizing model to add/subtract irrelevant styles
6249  return ( val +
6250  augmentWidthOrHeight(
6251  elem,
6252  name,
6253  extra || ( isBorderBox ? "border" : "content" ),
6254  valueIsBorderBox,
6255  styles
6256  )
6257  ) + "px";
6258 }
6259 
6260 jQuery.extend( {
6261 
6262  // Add in style property hooks for overriding the default
6263  // behavior of getting and setting a style property
6264  cssHooks: {
6265  opacity: {
6266  get: function( elem, computed ) {
6267  if ( computed ) {
6268 
6269  // We should always get a number back from opacity
6270  var ret = curCSS( elem, "opacity" );
6271  return ret === "" ? "1" : ret;
6272  }
6273  }
6274  }
6275  },
6276 
6277  // Don't automatically add "px" to these possibly-unitless properties
6278  cssNumber: {
6279  "animationIterationCount": true,
6280  "columnCount": true,
6281  "fillOpacity": true,
6282  "flexGrow": true,
6283  "flexShrink": true,
6284  "fontWeight": true,
6285  "lineHeight": true,
6286  "opacity": true,
6287  "order": true,
6288  "orphans": true,
6289  "widows": true,
6290  "zIndex": true,
6291  "zoom": true
6292  },
6293 
6294  // Add in properties whose names you wish to fix before
6295  // setting or getting the value
6296  cssProps: {
6297  "float": "cssFloat"
6298  },
6299 
6300  // Get and set the style property on a DOM Node
6301  style: function( elem, name, value, extra ) {
6302 
6303  // Don't set styles on text and comment nodes
6304  if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6305  return;
6306  }
6307 
6308  // Make sure that we're working with the right name
6309  var ret, type, hooks,
6310  origName = jQuery.camelCase( name ),
6311  style = elem.style;
6312 
6313  name = jQuery.cssProps[ origName ] ||
6314  ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
6315 
6316  // Gets hook for the prefixed version, then unprefixed version
6317  hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6318 
6319  // Check if we're setting a value
6320  if ( value !== undefined ) {
6321  type = typeof value;
6322 
6323  // Convert "+=" or "-=" to relative numbers (#7345)
6324  if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6325  value = adjustCSS( elem, name, ret );
6326 
6327  // Fixes bug #9237
6328  type = "number";
6329  }
6330 
6331  // Make sure that null and NaN values aren't set (#7116)
6332  if ( value == null || value !== value ) {
6333  return;
6334  }
6335 
6336  // If a number was passed in, add the unit (except for certain CSS properties)
6337  if ( type === "number" ) {
6338  value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6339  }
6340 
6341  // background-* props affect original clone's values
6342  if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6343  style[ name ] = "inherit";
6344  }
6345 
6346  // If a hook was provided, use that value, otherwise just set the specified value
6347  if ( !hooks || !( "set" in hooks ) ||
6348  ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6349 
6350  style[ name ] = value;
6351  }
6352 
6353  } else {
6354 
6355  // If a hook was provided get the non-computed value from there
6356  if ( hooks && "get" in hooks &&
6357  ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6358 
6359  return ret;
6360  }
6361 
6362  // Otherwise just get the value from the style object
6363  return style[ name ];
6364  }
6365  },
6366 
6367  css: function( elem, name, extra, styles ) {
6368  var val, num, hooks,
6369  origName = jQuery.camelCase( name );
6370 
6371  // Make sure that we're working with the right name
6372  name = jQuery.cssProps[ origName ] ||
6373  ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
6374 
6375  // Try prefixed name followed by the unprefixed name
6376  hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6377 
6378  // If a hook was provided get the computed value from there
6379  if ( hooks && "get" in hooks ) {
6380  val = hooks.get( elem, true, extra );
6381  }
6382 
6383  // Otherwise, if a way to get the computed value exists, use that
6384  if ( val === undefined ) {
6385  val = curCSS( elem, name, styles );
6386  }
6387 
6388  // Convert "normal" to computed value
6389  if ( val === "normal" && name in cssNormalTransform ) {
6390  val = cssNormalTransform[ name ];
6391  }
6392 
6393  // Make numeric if forced or a qualifier was provided and val looks numeric
6394  if ( extra === "" || extra ) {
6395  num = parseFloat( val );
6396  return extra === true || isFinite( num ) ? num || 0 : val;
6397  }
6398  return val;
6399  }
6400 } );
6401 
6402 jQuery.each( [ "height", "width" ], function( i, name ) {
6403  jQuery.cssHooks[ name ] = {
6404  get: function( elem, computed, extra ) {
6405  if ( computed ) {
6406 
6407  // Certain elements can have dimension info if we invisibly show them
6408  // but it must have a current display style that would benefit
6409  return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6410 
6411  // Support: Safari 8+
6412  // Table columns in Safari have non-zero offsetWidth & zero
6413  // getBoundingClientRect().width unless display is changed.
6414  // Support: IE <=11 only
6415  // Running getBoundingClientRect on a disconnected node
6416  // in IE throws an error.
6417  ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6418  swap( elem, cssShow, function() {
6419  return getWidthOrHeight( elem, name, extra );
6420  } ) :
6421  getWidthOrHeight( elem, name, extra );
6422  }
6423  },
6424 
6425  set: function( elem, value, extra ) {
6426  var matches,
6427  styles = extra && getStyles( elem ),
6428  subtract = extra && augmentWidthOrHeight(
6429  elem,
6430  name,
6431  extra,
6432  jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6433  styles
6434  );
6435 
6436  // Convert to pixels if value adjustment is needed
6437  if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6438  ( matches[ 3 ] || "px" ) !== "px" ) {
6439 
6440  elem.style[ name ] = value;
6441  value = jQuery.css( elem, name );
6442  }
6443 
6444  return setPositiveNumber( elem, value, subtract );
6445  }
6446  };
6447 } );
6448 
6449 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6450  function( elem, computed ) {
6451  if ( computed ) {
6452  return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6453  elem.getBoundingClientRect().left -
6454  swap( elem, { marginLeft: 0 }, function() {
6455  return elem.getBoundingClientRect().left;
6456  } )
6457  ) + "px";
6458  }
6459  }
6460 );
6461 
6462 // These hooks are used by animate to expand properties
6463 jQuery.each( {
6464  margin: "",
6465  padding: "",
6466  border: "Width"
6467 }, function( prefix, suffix ) {
6468  jQuery.cssHooks[ prefix + suffix ] = {
6469  expand: function( value ) {
6470  var i = 0,
6471  expanded = {},
6472 
6473  // Assumes a single number if not a string
6474  parts = typeof value === "string" ? value.split( " " ) : [ value ];
6475 
6476  for ( ; i < 4; i++ ) {
6477  expanded[ prefix + cssExpand[ i ] + suffix ] =
6478  parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6479  }
6480 
6481  return expanded;
6482  }
6483  };
6484 
6485  if ( !rmargin.test( prefix ) ) {
6486  jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6487  }
6488 } );
6489 
6490 jQuery.fn.extend( {
6491  css: function( name, value ) {
6492  return access( this, function( elem, name, value ) {
6493  var styles, len,
6494  map = {},
6495  i = 0;
6496 
6497  if ( jQuery.isArray( name ) ) {
6498  styles = getStyles( elem );
6499  len = name.length;
6500 
6501  for ( ; i < len; i++ ) {
6502  map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6503  }
6504 
6505  return map;
6506  }
6507 
6508  return value !== undefined ?
6509  jQuery.style( elem, name, value ) :
6510  jQuery.css( elem, name );
6511  }, name, value, arguments.length > 1 );
6512  }
6513 } );
6514 
6515 
6516 function Tween( elem, options, prop, end, easing ) {
6517  return new Tween.prototype.init( elem, options, prop, end, easing );
6518 }
6519 jQuery.Tween = Tween;
6520 
6521 Tween.prototype = {
6522  constructor: Tween,
6523  init: function( elem, options, prop, end, easing, unit ) {
6524  this.elem = elem;
6525  this.prop = prop;
6526  this.easing = easing || jQuery.easing._default;
6527  this.options = options;
6528  this.start = this.now = this.cur();
6529  this.end = end;
6530  this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6531  },
6532  cur: function() {
6533  var hooks = Tween.propHooks[ this.prop ];
6534 
6535  return hooks && hooks.get ?
6536  hooks.get( this ) :
6537  Tween.propHooks._default.get( this );
6538  },
6539  run: function( percent ) {
6540  var eased,
6541  hooks = Tween.propHooks[ this.prop ];
6542 
6543  if ( this.options.duration ) {
6544  this.pos = eased = jQuery.easing[ this.easing ](
6545  percent, this.options.duration * percent, 0, 1, this.options.duration
6546  );
6547  } else {
6548  this.pos = eased = percent;
6549  }
6550  this.now = ( this.end - this.start ) * eased + this.start;
6551 
6552  if ( this.options.step ) {
6553  this.options.step.call( this.elem, this.now, this );
6554  }
6555 
6556  if ( hooks && hooks.set ) {
6557  hooks.set( this );
6558  } else {
6559  Tween.propHooks._default.set( this );
6560  }
6561  return this;
6562  }
6563 };
6564 
6565 Tween.prototype.init.prototype = Tween.prototype;
6566 
6567 Tween.propHooks = {
6568  _default: {
6569  get: function( tween ) {
6570  var result;
6571 
6572  // Use a property on the element directly when it is not a DOM element,
6573  // or when there is no matching style property that exists.
6574  if ( tween.elem.nodeType !== 1 ||
6575  tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6576  return tween.elem[ tween.prop ];
6577  }
6578 
6579  // Passing an empty string as a 3rd parameter to .css will automatically
6580  // attempt a parseFloat and fallback to a string if the parse fails.
6581  // Simple values such as "10px" are parsed to Float;
6582  // complex values such as "rotate(1rad)" are returned as-is.
6583  result = jQuery.css( tween.elem, tween.prop, "" );
6584 
6585  // Empty strings, null, undefined and "auto" are converted to 0.
6586  return !result || result === "auto" ? 0 : result;
6587  },
6588  set: function( tween ) {
6589 
6590  // Use step hook for back compat.
6591  // Use cssHook if its there.
6592  // Use .style if available and use plain properties where available.
6593  if ( jQuery.fx.step[ tween.prop ] ) {
6594  jQuery.fx.step[ tween.prop ]( tween );
6595  } else if ( tween.elem.nodeType === 1 &&
6596  ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
6597  jQuery.cssHooks[ tween.prop ] ) ) {
6598  jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6599  } else {
6600  tween.elem[ tween.prop ] = tween.now;
6601  }
6602  }
6603  }
6604 };
6605 
6606 // Support: IE <=9 only
6607 // Panic based approach to setting things on disconnected nodes
6608 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6609  set: function( tween ) {
6610  if ( tween.elem.nodeType && tween.elem.parentNode ) {
6611  tween.elem[ tween.prop ] = tween.now;
6612  }
6613  }
6614 };
6615 
6616 jQuery.easing = {
6617  linear: function( p ) {
6618  return p;
6619  },
6620  swing: function( p ) {
6621  return 0.5 - Math.cos( p * Math.PI ) / 2;
6622  },
6623  _default: "swing"
6624 };
6625 
6626 jQuery.fx = Tween.prototype.init;
6627 
6628 // Back compat <1.8 extension point
6629 jQuery.fx.step = {};
6630 
6631 
6632 
6633 
6634 var
6635  fxNow, timerId,
6636  rfxtypes = /^(?:toggle|show|hide)$/,
6637  rrun = /queueHooks$/;
6638 
6639 function raf() {
6640  if ( timerId ) {
6641  window.requestAnimationFrame( raf );
6642  jQuery.fx.tick();
6643  }
6644 }
6645 
6646 // Animations created synchronously will run synchronously
6647 function createFxNow() {
6648  window.setTimeout( function() {
6649  fxNow = undefined;
6650  } );
6651  return ( fxNow = jQuery.now() );
6652 }
6653 
6654 // Generate parameters to create a standard animation
6655 function genFx( type, includeWidth ) {
6656  var which,
6657  i = 0,
6658  attrs = { height: type };
6659 
6660  // If we include width, step value is 1 to do all cssExpand values,
6661  // otherwise step value is 2 to skip over Left and Right
6662  includeWidth = includeWidth ? 1 : 0;
6663  for ( ; i < 4; i += 2 - includeWidth ) {
6664  which = cssExpand[ i ];
6665  attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
6666  }
6667 
6668  if ( includeWidth ) {
6669  attrs.opacity = attrs.width = type;
6670  }
6671 
6672  return attrs;
6673 }
6674 
6675 function createTween( value, prop, animation ) {
6676  var tween,
6677  collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
6678  index = 0,
6679  length = collection.length;
6680  for ( ; index < length; index++ ) {
6681  if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
6682 
6683  // We're done with this property
6684  return tween;
6685  }
6686  }
6687 }
6688 
6689 function defaultPrefilter( elem, props, opts ) {
6690  var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
6691  isBox = "width" in props || "height" in props,
6692  anim = this,
6693  orig = {},
6694  style = elem.style,
6695  hidden = elem.nodeType && isHiddenWithinTree( elem ),
6696  dataShow = dataPriv.get( elem, "fxshow" );
6697 
6698  // Queue-skipping animations hijack the fx hooks
6699  if ( !opts.queue ) {
6700  hooks = jQuery._queueHooks( elem, "fx" );
6701  if ( hooks.unqueued == null ) {
6702  hooks.unqueued = 0;
6703  oldfire = hooks.empty.fire;
6704  hooks.empty.fire = function() {
6705  if ( !hooks.unqueued ) {
6706  oldfire();
6707  }
6708  };
6709  }
6710  hooks.unqueued++;
6711 
6712  anim.always( function() {
6713 
6714  // Ensure the complete handler is called before this completes
6715  anim.always( function() {
6716  hooks.unqueued--;
6717  if ( !jQuery.queue( elem, "fx" ).length ) {
6718  hooks.empty.fire();
6719  }
6720  } );
6721  } );
6722  }
6723 
6724  // Detect show/hide animations
6725  for ( prop in props ) {
6726  value = props[ prop ];
6727  if ( rfxtypes.test( value ) ) {
6728  delete props[ prop ];
6729  toggle = toggle || value === "toggle";
6730  if ( value === ( hidden ? "hide" : "show" ) ) {
6731 
6732  // Pretend to be hidden if this is a "show" and
6733  // there is still data from a stopped show/hide
6734  if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
6735  hidden = true;
6736 
6737  // Ignore all other no-op show/hide data
6738  } else {
6739  continue;
6740  }
6741  }
6742  orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
6743  }
6744  }
6745 
6746  // Bail out if this is a no-op like .hide().hide()
6747  propTween = !jQuery.isEmptyObject( props );
6748  if ( !propTween && jQuery.isEmptyObject( orig ) ) {
6749  return;
6750  }
6751 
6752  // Restrict "overflow" and "display" styles during box animations
6753  if ( isBox && elem.nodeType === 1 ) {
6754 
6755  // Support: IE <=9 - 11, Edge 12 - 13
6756  // Record all 3 overflow attributes because IE does not infer the shorthand
6757  // from identically-valued overflowX and overflowY
6758  opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
6759 
6760  // Identify a display type, preferring old show/hide data over the CSS cascade
6761  restoreDisplay = dataShow && dataShow.display;
6762  if ( restoreDisplay == null ) {
6763  restoreDisplay = dataPriv.get( elem, "display" );
6764  }
6765  display = jQuery.css( elem, "display" );
6766  if ( display === "none" ) {
6767  if ( restoreDisplay ) {
6768  display = restoreDisplay;
6769  } else {
6770 
6771  // Get nonempty value(s) by temporarily forcing visibility
6772  showHide( [ elem ], true );
6773  restoreDisplay = elem.style.display || restoreDisplay;
6774  display = jQuery.css( elem, "display" );
6775  showHide( [ elem ] );
6776  }
6777  }
6778 
6779  // Animate inline elements as inline-block
6780  if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
6781  if ( jQuery.css( elem, "float" ) === "none" ) {
6782 
6783  // Restore the original display value at the end of pure show/hide animations
6784  if ( !propTween ) {
6785  anim.done( function() {
6786  style.display = restoreDisplay;
6787  } );
6788  if ( restoreDisplay == null ) {
6789  display = style.display;
6790  restoreDisplay = display === "none" ? "" : display;
6791  }
6792  }
6793  style.display = "inline-block";
6794  }
6795  }
6796  }
6797 
6798  if ( opts.overflow ) {
6799  style.overflow = "hidden";
6800  anim.always( function() {
6801  style.overflow = opts.overflow[ 0 ];
6802  style.overflowX = opts.overflow[ 1 ];
6803  style.overflowY = opts.overflow[ 2 ];
6804  } );
6805  }
6806 
6807  // Implement show/hide animations
6808  propTween = false;
6809  for ( prop in orig ) {
6810 
6811  // General show/hide setup for this element animation
6812  if ( !propTween ) {
6813  if ( dataShow ) {
6814  if ( "hidden" in dataShow ) {
6815  hidden = dataShow.hidden;
6816  }
6817  } else {
6818  dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
6819  }
6820 
6821  // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
6822  if ( toggle ) {
6823  dataShow.hidden = !hidden;
6824  }
6825 
6826  // Show elements before animating them
6827  if ( hidden ) {
6828  showHide( [ elem ], true );
6829  }
6830 
6831  /* eslint-disable no-loop-func */
6832 
6833  anim.done( function() {
6834 
6835  /* eslint-enable no-loop-func */
6836 
6837  // The final step of a "hide" animation is actually hiding the element
6838  if ( !hidden ) {
6839  showHide( [ elem ] );
6840  }
6841  dataPriv.remove( elem, "fxshow" );
6842  for ( prop in orig ) {
6843  jQuery.style( elem, prop, orig[ prop ] );
6844  }
6845  } );
6846  }
6847 
6848  // Per-property setup
6849  propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
6850  if ( !( prop in dataShow ) ) {
6851  dataShow[ prop ] = propTween.start;
6852  if ( hidden ) {
6853  propTween.end = propTween.start;
6854  propTween.start = 0;
6855  }
6856  }
6857  }
6858 }
6859 
6860 function propFilter( props, specialEasing ) {
6861  var index, name, easing, value, hooks;
6862 
6863  // camelCase, specialEasing and expand cssHook pass
6864  for ( index in props ) {
6865  name = jQuery.camelCase( index );
6866  easing = specialEasing[ name ];
6867  value = props[ index ];
6868  if ( jQuery.isArray( value ) ) {
6869  easing = value[ 1 ];
6870  value = props[ index ] = value[ 0 ];
6871  }
6872 
6873  if ( index !== name ) {
6874  props[ name ] = value;
6875  delete props[ index ];
6876  }
6877 
6878  hooks = jQuery.cssHooks[ name ];
6879  if ( hooks && "expand" in hooks ) {
6880  value = hooks.expand( value );
6881  delete props[ name ];
6882 
6883  // Not quite $.extend, this won't overwrite existing keys.
6884  // Reusing 'index' because we have the correct "name"
6885  for ( index in value ) {
6886  if ( !( index in props ) ) {
6887  props[ index ] = value[ index ];
6888  specialEasing[ index ] = easing;
6889  }
6890  }
6891  } else {
6892  specialEasing[ name ] = easing;
6893  }
6894  }
6895 }
6896 
6897 function Animation( elem, properties, options ) {
6898  var result,
6899  stopped,
6900  index = 0,
6901  length = Animation.prefilters.length,
6902  deferred = jQuery.Deferred().always( function() {
6903 
6904  // Don't match elem in the :animated selector
6905  delete tick.elem;
6906  } ),
6907  tick = function() {
6908  if ( stopped ) {
6909  return false;
6910  }
6911  var currentTime = fxNow || createFxNow(),
6912  remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
6913 
6914  // Support: Android 2.3 only
6915  // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
6916  temp = remaining / animation.duration || 0,
6917  percent = 1 - temp,
6918  index = 0,
6919  length = animation.tweens.length;
6920 
6921  for ( ; index < length; index++ ) {
6922  animation.tweens[ index ].run( percent );
6923  }
6924 
6925  deferred.notifyWith( elem, [ animation, percent, remaining ] );
6926 
6927  if ( percent < 1 && length ) {
6928  return remaining;
6929  } else {
6930  deferred.resolveWith( elem, [ animation ] );
6931  return false;
6932  }
6933  },
6934  animation = deferred.promise( {
6935  elem: elem,
6936  props: jQuery.extend( {}, properties ),
6937  opts: jQuery.extend( true, {
6938  specialEasing: {},
6939  easing: jQuery.easing._default
6940  }, options ),
6941  originalProperties: properties,
6942  originalOptions: options,
6943  startTime: fxNow || createFxNow(),
6944  duration: options.duration,
6945  tweens: [],
6946  createTween: function( prop, end ) {
6947  var tween = jQuery.Tween( elem, animation.opts, prop, end,
6948  animation.opts.specialEasing[ prop ] || animation.opts.easing );
6949  animation.tweens.push( tween );
6950  return tween;
6951  },
6952  stop: function( gotoEnd ) {
6953  var index = 0,
6954 
6955  // If we are going to the end, we want to run all the tweens
6956  // otherwise we skip this part
6957  length = gotoEnd ? animation.tweens.length : 0;
6958  if ( stopped ) {
6959  return this;
6960  }
6961  stopped = true;
6962  for ( ; index < length; index++ ) {
6963  animation.tweens[ index ].run( 1 );
6964  }
6965 
6966  // Resolve when we played the last frame; otherwise, reject
6967  if ( gotoEnd ) {
6968  deferred.notifyWith( elem, [ animation, 1, 0 ] );
6969  deferred.resolveWith( elem, [ animation, gotoEnd ] );
6970  } else {
6971  deferred.rejectWith( elem, [ animation, gotoEnd ] );
6972  }
6973  return this;
6974  }
6975  } ),
6976  props = animation.props;
6977 
6978  propFilter( props, animation.opts.specialEasing );
6979 
6980  for ( ; index < length; index++ ) {
6981  result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
6982  if ( result ) {
6983  if ( jQuery.isFunction( result.stop ) ) {
6984  jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
6985  jQuery.proxy( result.stop, result );
6986  }
6987  return result;
6988  }
6989  }
6990 
6991  jQuery.map( props, createTween, animation );
6992 
6993  if ( jQuery.isFunction( animation.opts.start ) ) {
6994  animation.opts.start.call( elem, animation );
6995  }
6996 
6997  jQuery.fx.timer(
6998  jQuery.extend( tick, {
6999  elem: elem,
7000  anim: animation,
7001  queue: animation.opts.queue
7002  } )
7003  );
7004 
7005  // attach callbacks from options
7006  return animation.progress( animation.opts.progress )
7007  .done( animation.opts.done, animation.opts.complete )
7008  .fail( animation.opts.fail )
7009  .always( animation.opts.always );
7010 }
7011 
7012 jQuery.Animation = jQuery.extend( Animation, {
7013 
7014  tweeners: {
7015  "*": [ function( prop, value ) {
7016  var tween = this.createTween( prop, value );
7017  adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7018  return tween;
7019  } ]
7020  },
7021 
7022  tweener: function( props, callback ) {
7023  if ( jQuery.isFunction( props ) ) {
7024  callback = props;
7025  props = [ "*" ];
7026  } else {
7027  props = props.match( rnotwhite );
7028  }
7029 
7030  var prop,
7031  index = 0,
7032  length = props.length;
7033 
7034  for ( ; index < length; index++ ) {
7035  prop = props[ index ];
7036  Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7037  Animation.tweeners[ prop ].unshift( callback );
7038  }
7039  },
7040 
7041  prefilters: [ defaultPrefilter ],
7042 
7043  prefilter: function( callback, prepend ) {
7044  if ( prepend ) {
7045  Animation.prefilters.unshift( callback );
7046  } else {
7047  Animation.prefilters.push( callback );
7048  }
7049  }
7050 } );
7051 
7052 jQuery.speed = function( speed, easing, fn ) {
7053  var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7054  complete: fn || !fn && easing ||
7055  jQuery.isFunction( speed ) && speed,
7056  duration: speed,
7057  easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7058  };
7059 
7060  // Go to the end state if fx are off or if document is hidden
7061  if ( jQuery.fx.off || document.hidden ) {
7062  opt.duration = 0;
7063 
7064  } else {
7065  opt.duration = typeof opt.duration === "number" ?
7066  opt.duration : opt.duration in jQuery.fx.speeds ?
7067  jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
7068  }
7069 
7070  // Normalize opt.queue - true/undefined/null -> "fx"
7071  if ( opt.queue == null || opt.queue === true ) {
7072  opt.queue = "fx";
7073  }
7074 
7075  // Queueing
7076  opt.old = opt.complete;
7077 
7078  opt.complete = function() {
7079  if ( jQuery.isFunction( opt.old ) ) {
7080  opt.old.call( this );
7081  }
7082 
7083  if ( opt.queue ) {
7084  jQuery.dequeue( this, opt.queue );
7085  }
7086  };
7087 
7088  return opt;
7089 };
7090 
7091 jQuery.fn.extend( {
7092  fadeTo: function( speed, to, easing, callback ) {
7093 
7094  // Show any hidden elements after setting opacity to 0
7095  return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7096 
7097  // Animate to the value specified
7098  .end().animate( { opacity: to }, speed, easing, callback );
7099  },
7100  animate: function( prop, speed, easing, callback ) {
7101  var empty = jQuery.isEmptyObject( prop ),
7102  optall = jQuery.speed( speed, easing, callback ),
7103  doAnimation = function() {
7104 
7105  // Operate on a copy of prop so per-property easing won't be lost
7106  var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7107 
7108  // Empty animations, or finishing resolves immediately
7109  if ( empty || dataPriv.get( this, "finish" ) ) {
7110  anim.stop( true );
7111  }
7112  };
7113  doAnimation.finish = doAnimation;
7114 
7115  return empty || optall.queue === false ?
7116  this.each( doAnimation ) :
7117  this.queue( optall.queue, doAnimation );
7118  },
7119  stop: function( type, clearQueue, gotoEnd ) {
7120  var stopQueue = function( hooks ) {
7121  var stop = hooks.stop;
7122  delete hooks.stop;
7123  stop( gotoEnd );
7124  };
7125 
7126  if ( typeof type !== "string" ) {
7127  gotoEnd = clearQueue;
7128  clearQueue = type;
7129  type = undefined;
7130  }
7131  if ( clearQueue && type !== false ) {
7132  this.queue( type || "fx", [] );
7133  }
7134 
7135  return this.each( function() {
7136  var dequeue = true,
7137  index = type != null && type + "queueHooks",
7138  timers = jQuery.timers,
7139  data = dataPriv.get( this );
7140 
7141  if ( index ) {
7142  if ( data[ index ] && data[ index ].stop ) {
7143  stopQueue( data[ index ] );
7144  }
7145  } else {
7146  for ( index in data ) {
7147  if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7148  stopQueue( data[ index ] );
7149  }
7150  }
7151  }
7152 
7153  for ( index = timers.length; index--; ) {
7154  if ( timers[ index ].elem === this &&
7155  ( type == null || timers[ index ].queue === type ) ) {
7156 
7157  timers[ index ].anim.stop( gotoEnd );
7158  dequeue = false;
7159  timers.splice( index, 1 );
7160  }
7161  }
7162 
7163  // Start the next in the queue if the last step wasn't forced.
7164  // Timers currently will call their complete callbacks, which
7165  // will dequeue but only if they were gotoEnd.
7166  if ( dequeue || !gotoEnd ) {
7167  jQuery.dequeue( this, type );
7168  }
7169  } );
7170  },
7171  finish: function( type ) {
7172  if ( type !== false ) {
7173  type = type || "fx";
7174  }
7175  return this.each( function() {
7176  var index,
7177  data = dataPriv.get( this ),
7178  queue = data[ type + "queue" ],
7179  hooks = data[ type + "queueHooks" ],
7180  timers = jQuery.timers,
7181  length = queue ? queue.length : 0;
7182 
7183  // Enable finishing flag on private data
7184  data.finish = true;
7185 
7186  // Empty the queue first
7187  jQuery.queue( this, type, [] );
7188 
7189  if ( hooks && hooks.stop ) {
7190  hooks.stop.call( this, true );
7191  }
7192 
7193  // Look for any active animations, and finish them
7194  for ( index = timers.length; index--; ) {
7195  if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7196  timers[ index ].anim.stop( true );
7197  timers.splice( index, 1 );
7198  }
7199  }
7200 
7201  // Look for any animations in the old queue and finish them
7202  for ( index = 0; index < length; index++ ) {
7203  if ( queue[ index ] && queue[ index ].finish ) {
7204  queue[ index ].finish.call( this );
7205  }
7206  }
7207 
7208  // Turn off finishing flag
7209  delete data.finish;
7210  } );
7211  }
7212 } );
7213 
7214 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7215  var cssFn = jQuery.fn[ name ];
7216  jQuery.fn[ name ] = function( speed, easing, callback ) {
7217  return speed == null || typeof speed === "boolean" ?
7218  cssFn.apply( this, arguments ) :
7219  this.animate( genFx( name, true ), speed, easing, callback );
7220  };
7221 } );
7222 
7223 // Generate shortcuts for custom animations
7224 jQuery.each( {
7225  slideDown: genFx( "show" ),
7226  slideUp: genFx( "hide" ),
7227  slideToggle: genFx( "toggle" ),
7228  fadeIn: { opacity: "show" },
7229  fadeOut: { opacity: "hide" },
7230  fadeToggle: { opacity: "toggle" }
7231 }, function( name, props ) {
7232  jQuery.fn[ name ] = function( speed, easing, callback ) {
7233  return this.animate( props, speed, easing, callback );
7234  };
7235 } );
7236 
7237 jQuery.timers = [];
7238 jQuery.fx.tick = function() {
7239  var timer,
7240  i = 0,
7241  timers = jQuery.timers;
7242 
7243  fxNow = jQuery.now();
7244 
7245  for ( ; i < timers.length; i++ ) {
7246  timer = timers[ i ];
7247 
7248  // Checks the timer has not already been removed
7249  if ( !timer() && timers[ i ] === timer ) {
7250  timers.splice( i--, 1 );
7251  }
7252  }
7253 
7254  if ( !timers.length ) {
7255  jQuery.fx.stop();
7256  }
7257  fxNow = undefined;
7258 };
7259 
7260 jQuery.fx.timer = function( timer ) {
7261  jQuery.timers.push( timer );
7262  if ( timer() ) {
7263  jQuery.fx.start();
7264  } else {
7265  jQuery.timers.pop();
7266  }
7267 };
7268 
7269 jQuery.fx.interval = 13;
7270 jQuery.fx.start = function() {
7271  if ( !timerId ) {
7272  timerId = window.requestAnimationFrame ?
7273  window.requestAnimationFrame( raf ) :
7274  window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
7275  }
7276 };
7277 
7278 jQuery.fx.stop = function() {
7279  if ( window.cancelAnimationFrame ) {
7280  window.cancelAnimationFrame( timerId );
7281  } else {
7282  window.clearInterval( timerId );
7283  }
7284 
7285  timerId = null;
7286 };
7287 
7288 jQuery.fx.speeds = {
7289  slow: 600,
7290  fast: 200,
7291 
7292  // Default speed
7293  _default: 400
7294 };
7295 
7296 
7297 // Based off of the plugin by Clint Helfers, with permission.
7298 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7299 jQuery.fn.delay = function( time, type ) {
7300  time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7301  type = type || "fx";
7302 
7303  return this.queue( type, function( next, hooks ) {
7304  var timeout = window.setTimeout( next, time );
7305  hooks.stop = function() {
7306  window.clearTimeout( timeout );
7307  };
7308  } );
7309 };
7310 
7311 
7312 ( function() {
7313  var input = document.createElement( "input" ),
7314  select = document.createElement( "select" ),
7315  opt = select.appendChild( document.createElement( "option" ) );
7316 
7317  input.type = "checkbox";
7318 
7319  // Support: Android <=4.3 only
7320  // Default value for a checkbox should be "on"
7321  support.checkOn = input.value !== "";
7322 
7323  // Support: IE <=11 only
7324  // Must access selectedIndex to make default options select
7325  support.optSelected = opt.selected;
7326 
7327  // Support: IE <=11 only
7328  // An input loses its value after becoming a radio
7329  input = document.createElement( "input" );
7330  input.value = "t";
7331  input.type = "radio";
7332  support.radioValue = input.value === "t";
7333 } )();
7334 
7335 
7336 var boolHook,
7337  attrHandle = jQuery.expr.attrHandle;
7338 
7339 jQuery.fn.extend( {
7340  attr: function( name, value ) {
7341  return access( this, jQuery.attr, name, value, arguments.length > 1 );
7342  },
7343 
7344  removeAttr: function( name ) {
7345  return this.each( function() {
7346  jQuery.removeAttr( this, name );
7347  } );
7348  }
7349 } );
7350 
7351 jQuery.extend( {
7352  attr: function( elem, name, value ) {
7353  var ret, hooks,
7354  nType = elem.nodeType;
7355 
7356  // Don't get/set attributes on text, comment and attribute nodes
7357  if ( nType === 3 || nType === 8 || nType === 2 ) {
7358  return;
7359  }
7360 
7361  // Fallback to prop when attributes are not supported
7362  if ( typeof elem.getAttribute === "undefined" ) {
7363  return jQuery.prop( elem, name, value );
7364  }
7365 
7366  // Attribute hooks are determined by the lowercase version
7367  // Grab necessary hook if one is defined
7368  if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7369  hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7370  ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7371  }
7372 
7373  if ( value !== undefined ) {
7374  if ( value === null ) {
7375  jQuery.removeAttr( elem, name );
7376  return;
7377  }
7378 
7379  if ( hooks && "set" in hooks &&
7380  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7381  return ret;
7382  }
7383 
7384  elem.setAttribute( name, value + "" );
7385  return value;
7386  }
7387 
7388  if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7389  return ret;
7390  }
7391 
7392  ret = jQuery.find.attr( elem, name );
7393 
7394  // Non-existent attributes return null, we normalize to undefined
7395  return ret == null ? undefined : ret;
7396  },
7397 
7398  attrHooks: {
7399  type: {
7400  set: function( elem, value ) {
7401  if ( !support.radioValue && value === "radio" &&
7402  jQuery.nodeName( elem, "input" ) ) {
7403  var val = elem.value;
7404  elem.setAttribute( "type", value );
7405  if ( val ) {
7406  elem.value = val;
7407  }
7408  return value;
7409  }
7410  }
7411  }
7412  },
7413 
7414  removeAttr: function( elem, value ) {
7415  var name,
7416  i = 0,
7417  attrNames = value && value.match( rnotwhite );
7418 
7419  if ( attrNames && elem.nodeType === 1 ) {
7420  while ( ( name = attrNames[ i++ ] ) ) {
7421  elem.removeAttribute( name );
7422  }
7423  }
7424  }
7425 } );
7426 
7427 // Hooks for boolean attributes
7428 boolHook = {
7429  set: function( elem, value, name ) {
7430  if ( value === false ) {
7431 
7432  // Remove boolean attributes when set to false
7433  jQuery.removeAttr( elem, name );
7434  } else {
7435  elem.setAttribute( name, name );
7436  }
7437  return name;
7438  }
7439 };
7440 
7441 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7442  var getter = attrHandle[ name ] || jQuery.find.attr;
7443 
7444  attrHandle[ name ] = function( elem, name, isXML ) {
7445  var ret, handle,
7446  lowercaseName = name.toLowerCase();
7447 
7448  if ( !isXML ) {
7449 
7450  // Avoid an infinite loop by temporarily removing this function from the getter
7451  handle = attrHandle[ lowercaseName ];
7452  attrHandle[ lowercaseName ] = ret;
7453  ret = getter( elem, name, isXML ) != null ?
7454  lowercaseName :
7455  null;
7456  attrHandle[ lowercaseName ] = handle;
7457  }
7458  return ret;
7459  };
7460 } );
7461 
7462 
7463 
7464 
7465 var rfocusable = /^(?:input|select|textarea|button)$/i,
7466  rclickable = /^(?:a|area)$/i;
7467 
7468 jQuery.fn.extend( {
7469  prop: function( name, value ) {
7470  return access( this, jQuery.prop, name, value, arguments.length > 1 );
7471  },
7472 
7473  removeProp: function( name ) {
7474  return this.each( function() {
7475  delete this[ jQuery.propFix[ name ] || name ];
7476  } );
7477  }
7478 } );
7479 
7480 jQuery.extend( {
7481  prop: function( elem, name, value ) {
7482  var ret, hooks,
7483  nType = elem.nodeType;
7484 
7485  // Don't get/set properties on text, comment and attribute nodes
7486  if ( nType === 3 || nType === 8 || nType === 2 ) {
7487  return;
7488  }
7489 
7490  if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7491 
7492  // Fix name and attach hooks
7493  name = jQuery.propFix[ name ] || name;
7494  hooks = jQuery.propHooks[ name ];
7495  }
7496 
7497  if ( value !== undefined ) {
7498  if ( hooks && "set" in hooks &&
7499  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7500  return ret;
7501  }
7502 
7503  return ( elem[ name ] = value );
7504  }
7505 
7506  if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7507  return ret;
7508  }
7509 
7510  return elem[ name ];
7511  },
7512 
7513  propHooks: {
7514  tabIndex: {
7515  get: function( elem ) {
7516 
7517  // Support: IE <=9 - 11 only
7518  // elem.tabIndex doesn't always return the
7519  // correct value when it hasn't been explicitly set
7520  // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7521  // Use proper attribute retrieval(#12072)
7522  var tabindex = jQuery.find.attr( elem, "tabindex" );
7523 
7524  return tabindex ?
7525  parseInt( tabindex, 10 ) :
7526  rfocusable.test( elem.nodeName ) ||
7527  rclickable.test( elem.nodeName ) && elem.href ?
7528  0 :
7529  -1;
7530  }
7531  }
7532  },
7533 
7534  propFix: {
7535  "for": "htmlFor",
7536  "class": "className"
7537  }
7538 } );
7539 
7540 // Support: IE <=11 only
7541 // Accessing the selectedIndex property
7542 // forces the browser to respect setting selected
7543 // on the option
7544 // The getter ensures a default option is selected
7545 // when in an optgroup
7546 if ( !support.optSelected ) {
7547  jQuery.propHooks.selected = {
7548  get: function( elem ) {
7549  var parent = elem.parentNode;
7550  if ( parent && parent.parentNode ) {
7551  parent.parentNode.selectedIndex;
7552  }
7553  return null;
7554  },
7555  set: function( elem ) {
7556  var parent = elem.parentNode;
7557  if ( parent ) {
7558  parent.selectedIndex;
7559 
7560  if ( parent.parentNode ) {
7561  parent.parentNode.selectedIndex;
7562  }
7563  }
7564  }
7565  };
7566 }
7567 
7568 jQuery.each( [
7569  "tabIndex",
7570  "readOnly",
7571  "maxLength",
7572  "cellSpacing",
7573  "cellPadding",
7574  "rowSpan",
7575  "colSpan",
7576  "useMap",
7577  "frameBorder",
7578  "contentEditable"
7579 ], function() {
7580  jQuery.propFix[ this.toLowerCase() ] = this;
7581 } );
7582 
7583 
7584 
7585 
7586 var rclass = /[\t\r\n\f]/g;
7587 
7588 function getClass( elem ) {
7589  return elem.getAttribute && elem.getAttribute( "class" ) || "";
7590 }
7591 
7592 jQuery.fn.extend( {
7593  addClass: function( value ) {
7594  var classes, elem, cur, curValue, clazz, j, finalValue,
7595  i = 0;
7596 
7597  if ( jQuery.isFunction( value ) ) {
7598  return this.each( function( j ) {
7599  jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7600  } );
7601  }
7602 
7603  if ( typeof value === "string" && value ) {
7604  classes = value.match( rnotwhite ) || [];
7605 
7606  while ( ( elem = this[ i++ ] ) ) {
7607  curValue = getClass( elem );
7608  cur = elem.nodeType === 1 &&
7609  ( " " + curValue + " " ).replace( rclass, " " );
7610 
7611  if ( cur ) {
7612  j = 0;
7613  while ( ( clazz = classes[ j++ ] ) ) {
7614  if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7615  cur += clazz + " ";
7616  }
7617  }
7618 
7619  // Only assign if different to avoid unneeded rendering.
7620  finalValue = jQuery.trim( cur );
7621  if ( curValue !== finalValue ) {
7622  elem.setAttribute( "class", finalValue );
7623  }
7624  }
7625  }
7626  }
7627 
7628  return this;
7629  },
7630 
7631  removeClass: function( value ) {
7632  var classes, elem, cur, curValue, clazz, j, finalValue,
7633  i = 0;
7634 
7635  if ( jQuery.isFunction( value ) ) {
7636  return this.each( function( j ) {
7637  jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7638  } );
7639  }
7640 
7641  if ( !arguments.length ) {
7642  return this.attr( "class", "" );
7643  }
7644 
7645  if ( typeof value === "string" && value ) {
7646  classes = value.match( rnotwhite ) || [];
7647 
7648  while ( ( elem = this[ i++ ] ) ) {
7649  curValue = getClass( elem );
7650 
7651  // This expression is here for better compressibility (see addClass)
7652  cur = elem.nodeType === 1 &&
7653  ( " " + curValue + " " ).replace( rclass, " " );
7654 
7655  if ( cur ) {
7656  j = 0;
7657  while ( ( clazz = classes[ j++ ] ) ) {
7658 
7659  // Remove *all* instances
7660  while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7661  cur = cur.replace( " " + clazz + " ", " " );
7662  }
7663  }
7664 
7665  // Only assign if different to avoid unneeded rendering.
7666  finalValue = jQuery.trim( cur );
7667  if ( curValue !== finalValue ) {
7668  elem.setAttribute( "class", finalValue );
7669  }
7670  }
7671  }
7672  }
7673 
7674  return this;
7675  },
7676 
7677  toggleClass: function( value, stateVal ) {
7678  var type = typeof value;
7679 
7680  if ( typeof stateVal === "boolean" && type === "string" ) {
7681  return stateVal ? this.addClass( value ) : this.removeClass( value );
7682  }
7683 
7684  if ( jQuery.isFunction( value ) ) {
7685  return this.each( function( i ) {
7686  jQuery( this ).toggleClass(
7687  value.call( this, i, getClass( this ), stateVal ),
7688  stateVal
7689  );
7690  } );
7691  }
7692 
7693  return this.each( function() {
7694  var className, i, self, classNames;
7695 
7696  if ( type === "string" ) {
7697 
7698  // Toggle individual class names
7699  i = 0;
7700  self = jQuery( this );
7701  classNames = value.match( rnotwhite ) || [];
7702 
7703  while ( ( className = classNames[ i++ ] ) ) {
7704 
7705  // Check each className given, space separated list
7706  if ( self.hasClass( className ) ) {
7707  self.removeClass( className );
7708  } else {
7709  self.addClass( className );
7710  }
7711  }
7712 
7713  // Toggle whole class name
7714  } else if ( value === undefined || type === "boolean" ) {
7715  className = getClass( this );
7716  if ( className ) {
7717 
7718  // Store className if set
7719  dataPriv.set( this, "__className__", className );
7720  }
7721 
7722  // If the element has a class name or if we're passed `false`,
7723  // then remove the whole classname (if there was one, the above saved it).
7724  // Otherwise bring back whatever was previously saved (if anything),
7725  // falling back to the empty string if nothing was stored.
7726  if ( this.setAttribute ) {
7727  this.setAttribute( "class",
7728  className || value === false ?
7729  "" :
7730  dataPriv.get( this, "__className__" ) || ""
7731  );
7732  }
7733  }
7734  } );
7735  },
7736 
7737  hasClass: function( selector ) {
7738  var className, elem,
7739  i = 0;
7740 
7741  className = " " + selector + " ";
7742  while ( ( elem = this[ i++ ] ) ) {
7743  if ( elem.nodeType === 1 &&
7744  ( " " + getClass( elem ) + " " ).replace( rclass, " " )
7745  .indexOf( className ) > -1
7746  ) {
7747  return true;
7748  }
7749  }
7750 
7751  return false;
7752  }
7753 } );
7754 
7755 
7756 
7757 
7758 var rreturn = /\r/g,
7759  rspaces = /[\x20\t\r\n\f]+/g;
7760 
7761 jQuery.fn.extend( {
7762  val: function( value ) {
7763  var hooks, ret, isFunction,
7764  elem = this[ 0 ];
7765 
7766  if ( !arguments.length ) {
7767  if ( elem ) {
7768  hooks = jQuery.valHooks[ elem.type ] ||
7769  jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7770 
7771  if ( hooks &&
7772  "get" in hooks &&
7773  ( ret = hooks.get( elem, "value" ) ) !== undefined
7774  ) {
7775  return ret;
7776  }
7777 
7778  ret = elem.value;
7779 
7780  return typeof ret === "string" ?
7781 
7782  // Handle most common string cases
7783  ret.replace( rreturn, "" ) :
7784 
7785  // Handle cases where value is null/undef or number
7786  ret == null ? "" : ret;
7787  }
7788 
7789  return;
7790  }
7791 
7792  isFunction = jQuery.isFunction( value );
7793 
7794  return this.each( function( i ) {
7795  var val;
7796 
7797  if ( this.nodeType !== 1 ) {
7798  return;
7799  }
7800 
7801  if ( isFunction ) {
7802  val = value.call( this, i, jQuery( this ).val() );
7803  } else {
7804  val = value;
7805  }
7806 
7807  // Treat null/undefined as ""; convert numbers to string
7808  if ( val == null ) {
7809  val = "";
7810 
7811  } else if ( typeof val === "number" ) {
7812  val += "";
7813 
7814  } else if ( jQuery.isArray( val ) ) {
7815  val = jQuery.map( val, function( value ) {
7816  return value == null ? "" : value + "";
7817  } );
7818  }
7819 
7820  hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7821 
7822  // If set returns undefined, fall back to normal setting
7823  if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7824  this.value = val;
7825  }
7826  } );
7827  }
7828 } );
7829 
7830 jQuery.extend( {
7831  valHooks: {
7832  option: {
7833  get: function( elem ) {
7834 
7835  var val = jQuery.find.attr( elem, "value" );
7836  return val != null ?
7837  val :
7838 
7839  // Support: IE <=10 - 11 only
7840  // option.text throws exceptions (#14686, #14858)
7841  // Strip and collapse whitespace
7842  // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7843  jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " );
7844  }
7845  },
7846  select: {
7847  get: function( elem ) {
7848  var value, option,
7849  options = elem.options,
7850  index = elem.selectedIndex,
7851  one = elem.type === "select-one",
7852  values = one ? null : [],
7853  max = one ? index + 1 : options.length,
7854  i = index < 0 ?
7855  max :
7856  one ? index : 0;
7857 
7858  // Loop through all the selected options
7859  for ( ; i < max; i++ ) {
7860  option = options[ i ];
7861 
7862  // Support: IE <=9 only
7863  // IE8-9 doesn't update selected after form reset (#2551)
7864  if ( ( option.selected || i === index ) &&
7865 
7866  // Don't return options that are disabled or in a disabled optgroup
7867  !option.disabled &&
7868  ( !option.parentNode.disabled ||
7869  !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
7870 
7871  // Get the specific value for the option
7872  value = jQuery( option ).val();
7873 
7874  // We don't need an array for one selects
7875  if ( one ) {
7876  return value;
7877  }
7878 
7879  // Multi-Selects return an array
7880  values.push( value );
7881  }
7882  }
7883 
7884  return values;
7885  },
7886 
7887  set: function( elem, value ) {
7888  var optionSet, option,
7889  options = elem.options,
7890  values = jQuery.makeArray( value ),
7891  i = options.length;
7892 
7893  while ( i-- ) {
7894  option = options[ i ];
7895 
7896  /* eslint-disable no-cond-assign */
7897 
7898  if ( option.selected =
7899  jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
7900  ) {
7901  optionSet = true;
7902  }
7903 
7904  /* eslint-enable no-cond-assign */
7905  }
7906 
7907  // Force browsers to behave consistently when non-matching value is set
7908  if ( !optionSet ) {
7909  elem.selectedIndex = -1;
7910  }
7911  return values;
7912  }
7913  }
7914  }
7915 } );
7916 
7917 // Radios and checkboxes getter/setter
7918 jQuery.each( [ "radio", "checkbox" ], function() {
7919  jQuery.valHooks[ this ] = {
7920  set: function( elem, value ) {
7921  if ( jQuery.isArray( value ) ) {
7922  return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
7923  }
7924  }
7925  };
7926  if ( !support.checkOn ) {
7927  jQuery.valHooks[ this ].get = function( elem ) {
7928  return elem.getAttribute( "value" ) === null ? "on" : elem.value;
7929  };
7930  }
7931 } );
7932 
7933 
7934 
7935 
7936 // Return jQuery for attributes-only inclusion
7937 
7938 
7939 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
7940 
7941 jQuery.extend( jQuery.event, {
7942 
7943  trigger: function( event, data, elem, onlyHandlers ) {
7944 
7945  var i, cur, tmp, bubbleType, ontype, handle, special,
7946  eventPath = [ elem || document ],
7947  type = hasOwn.call( event, "type" ) ? event.type : event,
7948  namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
7949 
7950  cur = tmp = elem = elem || document;
7951 
7952  // Don't do events on text and comment nodes
7953  if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
7954  return;
7955  }
7956 
7957  // focus/blur morphs to focusin/out; ensure we're not firing them right now
7958  if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
7959  return;
7960  }
7961 
7962  if ( type.indexOf( "." ) > -1 ) {
7963 
7964  // Namespaced trigger; create a regexp to match event type in handle()
7965  namespaces = type.split( "." );
7966  type = namespaces.shift();
7967  namespaces.sort();
7968  }
7969  ontype = type.indexOf( ":" ) < 0 && "on" + type;
7970 
7971  // Caller can pass in a jQuery.Event object, Object, or just an event type string
7972  event = event[ jQuery.expando ] ?
7973  event :
7974  new jQuery.Event( type, typeof event === "object" && event );
7975 
7976  // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
7977  event.isTrigger = onlyHandlers ? 2 : 3;
7978  event.namespace = namespaces.join( "." );
7979  event.rnamespace = event.namespace ?
7980  new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
7981  null;
7982 
7983  // Clean up the event in case it is being reused
7984  event.result = undefined;
7985  if ( !event.target ) {
7986  event.target = elem;
7987  }
7988 
7989  // Clone any incoming data and prepend the event, creating the handler arg list
7990  data = data == null ?
7991  [ event ] :
7992  jQuery.makeArray( data, [ event ] );
7993 
7994  // Allow special events to draw outside the lines
7995  special = jQuery.event.special[ type ] || {};
7996  if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
7997  return;
7998  }
7999 
8000  // Determine event propagation path in advance, per W3C events spec (#9951)
8001  // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8002  if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
8003 
8004  bubbleType = special.delegateType || type;
8005  if ( !rfocusMorph.test( bubbleType + type ) ) {
8006  cur = cur.parentNode;
8007  }
8008  for ( ; cur; cur = cur.parentNode ) {
8009  eventPath.push( cur );
8010  tmp = cur;
8011  }
8012 
8013  // Only add window if we got to document (e.g., not plain obj or detached DOM)
8014  if ( tmp === ( elem.ownerDocument || document ) ) {
8015  eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8016  }
8017  }
8018 
8019  // Fire handlers on the event path
8020  i = 0;
8021  while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8022 
8023  event.type = i > 1 ?
8024  bubbleType :
8025  special.bindType || type;
8026 
8027  // jQuery handler
8028  handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8029  dataPriv.get( cur, "handle" );
8030  if ( handle ) {
8031  handle.apply( cur, data );
8032  }
8033 
8034  // Native handler
8035  handle = ontype && cur[ ontype ];
8036  if ( handle && handle.apply && acceptData( cur ) ) {
8037  event.result = handle.apply( cur, data );
8038  if ( event.result === false ) {
8039  event.preventDefault();
8040  }
8041  }
8042  }
8043  event.type = type;
8044 
8045  // If nobody prevented the default action, do it now
8046  if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8047 
8048  if ( ( !special._default ||
8049  special._default.apply( eventPath.pop(), data ) === false ) &&
8050  acceptData( elem ) ) {
8051 
8052  // Call a native DOM method on the target with the same name as the event.
8053  // Don't do default actions on window, that's where global variables be (#6170)
8054  if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
8055 
8056  // Don't re-trigger an onFOO event when we call its FOO() method
8057  tmp = elem[ ontype ];
8058 
8059  if ( tmp ) {
8060  elem[ ontype ] = null;
8061  }
8062 
8063  // Prevent re-triggering of the same event, since we already bubbled it above
8064  jQuery.event.triggered = type;
8065  elem[ type ]();
8066  jQuery.event.triggered = undefined;
8067 
8068  if ( tmp ) {
8069  elem[ ontype ] = tmp;
8070  }
8071  }
8072  }
8073  }
8074 
8075  return event.result;
8076  },
8077 
8078  // Piggyback on a donor event to simulate a different one
8079  // Used only for `focus(in | out)` events
8080  simulate: function( type, elem, event ) {
8081  var e = jQuery.extend(
8082  new jQuery.Event(),
8083  event,
8084  {
8085  type: type,
8086  isSimulated: true
8087  }
8088  );
8089 
8090  jQuery.event.trigger( e, null, elem );
8091  }
8092 
8093 } );
8094 
8095 jQuery.fn.extend( {
8096 
8097  trigger: function( type, data ) {
8098  return this.each( function() {
8099  jQuery.event.trigger( type, data, this );
8100  } );
8101  },
8102  triggerHandler: function( type, data ) {
8103  var elem = this[ 0 ];
8104  if ( elem ) {
8105  return jQuery.event.trigger( type, data, elem, true );
8106  }
8107  }
8108 } );
8109 
8110 
8111 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8112  "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8113  "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8114  function( i, name ) {
8115 
8116  // Handle event binding
8117  jQuery.fn[ name ] = function( data, fn ) {
8118  return arguments.length > 0 ?
8119  this.on( name, null, data, fn ) :
8120  this.trigger( name );
8121  };
8122 } );
8123 
8124 jQuery.fn.extend( {
8125  hover: function( fnOver, fnOut ) {
8126  return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8127  }
8128 } );
8129 
8130 
8131 
8132 
8133 support.focusin = "onfocusin" in window;
8134 
8135 
8136 // Support: Firefox <=44
8137 // Firefox doesn't have focus(in | out) events
8138 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8139 //
8140 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8141 // focus(in | out) events fire after focus & blur events,
8142 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8143 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8144 if ( !support.focusin ) {
8145  jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8146 
8147  // Attach a single capturing handler on the document while someone wants focusin/focusout
8148  var handler = function( event ) {
8149  jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8150  };
8151 
8152  jQuery.event.special[ fix ] = {
8153  setup: function() {
8154  var doc = this.ownerDocument || this,
8155  attaches = dataPriv.access( doc, fix );
8156 
8157  if ( !attaches ) {
8158  doc.addEventListener( orig, handler, true );
8159  }
8160  dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8161  },
8162  teardown: function() {
8163  var doc = this.ownerDocument || this,
8164  attaches = dataPriv.access( doc, fix ) - 1;
8165 
8166  if ( !attaches ) {
8167  doc.removeEventListener( orig, handler, true );
8168  dataPriv.remove( doc, fix );
8169 
8170  } else {
8171  dataPriv.access( doc, fix, attaches );
8172  }
8173  }
8174  };
8175  } );
8176 }
8177 var location = window.location;
8178 
8179 var nonce = jQuery.now();
8180 
8181 var rquery = ( /\?/ );
8182 
8183 
8184 
8185 // Cross-browser xml parsing
8186 jQuery.parseXML = function( data ) {
8187  var xml;
8188  if ( !data || typeof data !== "string" ) {
8189  return null;
8190  }
8191 
8192  // Support: IE 9 - 11 only
8193  // IE throws on parseFromString with invalid input.
8194  try {
8195  xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8196  } catch ( e ) {
8197  xml = undefined;
8198  }
8199 
8200  if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8201  jQuery.error( "Invalid XML: " + data );
8202  }
8203  return xml;
8204 };
8205 
8206 
8207 var
8208  rbracket = /\[\]$/,
8209  rCRLF = /\r?\n/g,
8210  rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8211  rsubmittable = /^(?:input|select|textarea|keygen)/i;
8212 
8213 function buildParams( prefix, obj, traditional, add ) {
8214  var name;
8215 
8216  if ( jQuery.isArray( obj ) ) {
8217 
8218  // Serialize array item.
8219  jQuery.each( obj, function( i, v ) {
8220  if ( traditional || rbracket.test( prefix ) ) {
8221 
8222  // Treat each array item as a scalar.
8223  add( prefix, v );
8224 
8225  } else {
8226 
8227  // Item is non-scalar (array or object), encode its numeric index.
8228  buildParams(
8229  prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8230  v,
8231  traditional,
8232  add
8233  );
8234  }
8235  } );
8236 
8237  } else if ( !traditional && jQuery.type( obj ) === "object" ) {
8238 
8239  // Serialize object item.
8240  for ( name in obj ) {
8241  buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8242  }
8243 
8244  } else {
8245 
8246  // Serialize scalar item.
8247  add( prefix, obj );
8248  }
8249 }
8250 
8251 // Serialize an array of form elements or a set of
8252 // key/values into a query string
8253 jQuery.param = function( a, traditional ) {
8254  var prefix,
8255  s = [],
8256  add = function( key, valueOrFunction ) {
8257 
8258  // If value is a function, invoke it and use its return value
8259  var value = jQuery.isFunction( valueOrFunction ) ?
8260  valueOrFunction() :
8261  valueOrFunction;
8262 
8263  s[ s.length ] = encodeURIComponent( key ) + "=" +
8264  encodeURIComponent( value == null ? "" : value );
8265  };
8266 
8267  // If an array was passed in, assume that it is an array of form elements.
8268  if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8269 
8270  // Serialize the form elements
8271  jQuery.each( a, function() {
8272  add( this.name, this.value );
8273  } );
8274 
8275  } else {
8276 
8277  // If traditional, encode the "old" way (the way 1.3.2 or older
8278  // did it), otherwise encode params recursively.
8279  for ( prefix in a ) {
8280  buildParams( prefix, a[ prefix ], traditional, add );
8281  }
8282  }
8283 
8284  // Return the resulting serialization
8285  return s.join( "&" );
8286 };
8287 
8288 jQuery.fn.extend( {
8289  serialize: function() {
8290  return jQuery.param( this.serializeArray() );
8291  },
8292  serializeArray: function() {
8293  return this.map( function() {
8294 
8295  // Can add propHook for "elements" to filter or add form elements
8296  var elements = jQuery.prop( this, "elements" );
8297  return elements ? jQuery.makeArray( elements ) : this;
8298  } )
8299  .filter( function() {
8300  var type = this.type;
8301 
8302  // Use .is( ":disabled" ) so that fieldset[disabled] works
8303  return this.name && !jQuery( this ).is( ":disabled" ) &&
8304  rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8305  ( this.checked || !rcheckableType.test( type ) );
8306  } )
8307  .map( function( i, elem ) {
8308  var val = jQuery( this ).val();
8309 
8310  return val == null ?
8311  null :
8312  jQuery.isArray( val ) ?
8313  jQuery.map( val, function( val ) {
8314  return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8315  } ) :
8316  { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8317  } ).get();
8318  }
8319 } );
8320 
8321 
8322 var
8323  r20 = /%20/g,
8324  rhash = /#.*$/,
8325  rts = /([?&])_=[^&]*/,
8326  rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8327 
8328  // #7653, #8125, #8152: local protocol detection
8329  rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8330  rnoContent = /^(?:GET|HEAD)$/,
8331  rprotocol = /^\/\//,
8332 
8333  /* Prefilters
8334  * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8335  * 2) These are called:
8336  * - BEFORE asking for a transport
8337  * - AFTER param serialization (s.data is a string if s.processData is true)
8338  * 3) key is the dataType
8339  * 4) the catchall symbol "*" can be used
8340  * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8341  */
8342  prefilters = {},
8343 
8344  /* Transports bindings
8345  * 1) key is the dataType
8346  * 2) the catchall symbol "*" can be used
8347  * 3) selection will start with transport dataType and THEN go to "*" if needed
8348  */
8349  transports = {},
8350 
8351  // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8352  allTypes = "*/".concat( "*" ),
8353 
8354  // Anchor tag for parsing the document origin
8355  originAnchor = document.createElement( "a" );
8356  originAnchor.href = location.href;
8357 
8358 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8359 function addToPrefiltersOrTransports( structure ) {
8360 
8361  // dataTypeExpression is optional and defaults to "*"
8362  return function( dataTypeExpression, func ) {
8363 
8364  if ( typeof dataTypeExpression !== "string" ) {
8365  func = dataTypeExpression;
8366  dataTypeExpression = "*";
8367  }
8368 
8369  var dataType,
8370  i = 0,
8371  dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
8372 
8373  if ( jQuery.isFunction( func ) ) {
8374 
8375  // For each dataType in the dataTypeExpression
8376  while ( ( dataType = dataTypes[ i++ ] ) ) {
8377 
8378  // Prepend if requested
8379  if ( dataType[ 0 ] === "+" ) {
8380  dataType = dataType.slice( 1 ) || "*";
8381  ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8382 
8383  // Otherwise append
8384  } else {
8385  ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8386  }
8387  }
8388  }
8389  };
8390 }
8391 
8392 // Base inspection function for prefilters and transports
8393 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8394 
8395  var inspected = {},
8396  seekingTransport = ( structure === transports );
8397 
8398  function inspect( dataType ) {
8399  var selected;
8400  inspected[ dataType ] = true;
8401  jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8402  var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8403  if ( typeof dataTypeOrTransport === "string" &&
8404  !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8405 
8406  options.dataTypes.unshift( dataTypeOrTransport );
8407  inspect( dataTypeOrTransport );
8408  return false;
8409  } else if ( seekingTransport ) {
8410  return !( selected = dataTypeOrTransport );
8411  }
8412  } );
8413  return selected;
8414  }
8415 
8416  return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8417 }
8418 
8419 // A special extend for ajax options
8420 // that takes "flat" options (not to be deep extended)
8421 // Fixes #9887
8422 function ajaxExtend( target, src ) {
8423  var key, deep,
8424  flatOptions = jQuery.ajaxSettings.flatOptions || {};
8425 
8426  for ( key in src ) {
8427  if ( src[ key ] !== undefined ) {
8428  ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8429  }
8430  }
8431  if ( deep ) {
8432  jQuery.extend( true, target, deep );
8433  }
8434 
8435  return target;
8436 }
8437 
8438 /* Handles responses to an ajax request:
8439  * - finds the right dataType (mediates between content-type and expected dataType)
8440  * - returns the corresponding response
8441  */
8442 function ajaxHandleResponses( s, jqXHR, responses ) {
8443 
8444  var ct, type, finalDataType, firstDataType,
8445  contents = s.contents,
8446  dataTypes = s.dataTypes;
8447 
8448  // Remove auto dataType and get content-type in the process
8449  while ( dataTypes[ 0 ] === "*" ) {
8450  dataTypes.shift();
8451  if ( ct === undefined ) {
8452  ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8453  }
8454  }
8455 
8456  // Check if we're dealing with a known content-type
8457  if ( ct ) {
8458  for ( type in contents ) {
8459  if ( contents[ type ] && contents[ type ].test( ct ) ) {
8460  dataTypes.unshift( type );
8461  break;
8462  }
8463  }
8464  }
8465 
8466  // Check to see if we have a response for the expected dataType
8467  if ( dataTypes[ 0 ] in responses ) {
8468  finalDataType = dataTypes[ 0 ];
8469  } else {
8470 
8471  // Try convertible dataTypes
8472  for ( type in responses ) {
8473  if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8474  finalDataType = type;
8475  break;
8476  }
8477  if ( !firstDataType ) {
8478  firstDataType = type;
8479  }
8480  }
8481 
8482  // Or just use first one
8483  finalDataType = finalDataType || firstDataType;
8484  }
8485 
8486  // If we found a dataType
8487  // We add the dataType to the list if needed
8488  // and return the corresponding response
8489  if ( finalDataType ) {
8490  if ( finalDataType !== dataTypes[ 0 ] ) {
8491  dataTypes.unshift( finalDataType );
8492  }
8493  return responses[ finalDataType ];
8494  }
8495 }
8496 
8497 /* Chain conversions given the request and the original response
8498  * Also sets the responseXXX fields on the jqXHR instance
8499  */
8500 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8501  var conv2, current, conv, tmp, prev,
8502  converters = {},
8503 
8504  // Work with a copy of dataTypes in case we need to modify it for conversion
8505  dataTypes = s.dataTypes.slice();
8506 
8507  // Create converters map with lowercased keys
8508  if ( dataTypes[ 1 ] ) {
8509  for ( conv in s.converters ) {
8510  converters[ conv.toLowerCase() ] = s.converters[ conv ];
8511  }
8512  }
8513 
8514  current = dataTypes.shift();
8515 
8516  // Convert to each sequential dataType
8517  while ( current ) {
8518 
8519  if ( s.responseFields[ current ] ) {
8520  jqXHR[ s.responseFields[ current ] ] = response;
8521  }
8522 
8523  // Apply the dataFilter if provided
8524  if ( !prev && isSuccess && s.dataFilter ) {
8525  response = s.dataFilter( response, s.dataType );
8526  }
8527 
8528  prev = current;
8529  current = dataTypes.shift();
8530 
8531  if ( current ) {
8532 
8533  // There's only work to do if current dataType is non-auto
8534  if ( current === "*" ) {
8535 
8536  current = prev;
8537 
8538  // Convert response if prev dataType is non-auto and differs from current
8539  } else if ( prev !== "*" && prev !== current ) {
8540 
8541  // Seek a direct converter
8542  conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8543 
8544  // If none found, seek a pair
8545  if ( !conv ) {
8546  for ( conv2 in converters ) {
8547 
8548  // If conv2 outputs current
8549  tmp = conv2.split( " " );
8550  if ( tmp[ 1 ] === current ) {
8551 
8552  // If prev can be converted to accepted input
8553  conv = converters[ prev + " " + tmp[ 0 ] ] ||
8554  converters[ "* " + tmp[ 0 ] ];
8555  if ( conv ) {
8556 
8557  // Condense equivalence converters
8558  if ( conv === true ) {
8559  conv = converters[ conv2 ];
8560 
8561  // Otherwise, insert the intermediate dataType
8562  } else if ( converters[ conv2 ] !== true ) {
8563  current = tmp[ 0 ];
8564  dataTypes.unshift( tmp[ 1 ] );
8565  }
8566  break;
8567  }
8568  }
8569  }
8570  }
8571 
8572  // Apply converter (if not an equivalence)
8573  if ( conv !== true ) {
8574 
8575  // Unless errors are allowed to bubble, catch and return them
8576  if ( conv && s.throws ) {
8577  response = conv( response );
8578  } else {
8579  try {
8580  response = conv( response );
8581  } catch ( e ) {
8582  return {
8583  state: "parsererror",
8584  error: conv ? e : "No conversion from " + prev + " to " + current
8585  };
8586  }
8587  }
8588  }
8589  }
8590  }
8591  }
8592 
8593  return { state: "success", data: response };
8594 }
8595 
8596 jQuery.extend( {
8597 
8598  // Counter for holding the number of active queries
8599  active: 0,
8600 
8601  // Last-Modified header cache for next request
8602  lastModified: {},
8603  etag: {},
8604 
8605  ajaxSettings: {
8606  url: location.href,
8607  type: "GET",
8608  isLocal: rlocalProtocol.test( location.protocol ),
8609  global: true,
8610  processData: true,
8611  async: true,
8612  contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8613 
8614  /*
8615  timeout: 0,
8616  data: null,
8617  dataType: null,
8618  username: null,
8619  password: null,
8620  cache: null,
8621  throws: false,
8622  traditional: false,
8623  headers: {},
8624  */
8625 
8626  accepts: {
8627  "*": allTypes,
8628  text: "text/plain",
8629  html: "text/html",
8630  xml: "application/xml, text/xml",
8631  json: "application/json, text/javascript"
8632  },
8633 
8634  contents: {
8635  xml: /\bxml\b/,
8636  html: /\bhtml/,
8637  json: /\bjson\b/
8638  },
8639 
8640  responseFields: {
8641  xml: "responseXML",
8642  text: "responseText",
8643  json: "responseJSON"
8644  },
8645 
8646  // Data converters
8647  // Keys separate source (or catchall "*") and destination types with a single space
8648  converters: {
8649 
8650  // Convert anything to text
8651  "* text": String,
8652 
8653  // Text to html (true = no transformation)
8654  "text html": true,
8655 
8656  // Evaluate text as a json expression
8657  "text json": JSON.parse,
8658 
8659  // Parse text as xml
8660  "text xml": jQuery.parseXML
8661  },
8662 
8663  // For options that shouldn't be deep extended:
8664  // you can add your own custom options here if
8665  // and when you create one that shouldn't be
8666  // deep extended (see ajaxExtend)
8667  flatOptions: {
8668  url: true,
8669  context: true
8670  }
8671  },
8672 
8673  // Creates a full fledged settings object into target
8674  // with both ajaxSettings and settings fields.
8675  // If target is omitted, writes into ajaxSettings.
8676  ajaxSetup: function( target, settings ) {
8677  return settings ?
8678 
8679  // Building a settings object
8680  ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8681 
8682  // Extending ajaxSettings
8683  ajaxExtend( jQuery.ajaxSettings, target );
8684  },
8685 
8686  ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8687  ajaxTransport: addToPrefiltersOrTransports( transports ),
8688 
8689  // Main method
8690  ajax: function( url, options ) {
8691 
8692  // If url is an object, simulate pre-1.5 signature
8693  if ( typeof url === "object" ) {
8694  options = url;
8695  url = undefined;
8696  }
8697 
8698  // Force options to be an object
8699  options = options || {};
8700 
8701  var transport,
8702 
8703  // URL without anti-cache param
8704  cacheURL,
8705 
8706  // Response headers
8707  responseHeadersString,
8708  responseHeaders,
8709 
8710  // timeout handle
8711  timeoutTimer,
8712 
8713  // Url cleanup var
8714  urlAnchor,
8715 
8716  // Request state (becomes false upon send and true upon completion)
8717  completed,
8718 
8719  // To know if global events are to be dispatched
8720  fireGlobals,
8721 
8722  // Loop variable
8723  i,
8724 
8725  // uncached part of the url
8726  uncached,
8727 
8728  // Create the final options object
8729  s = jQuery.ajaxSetup( {}, options ),
8730 
8731  // Callbacks context
8732  callbackContext = s.context || s,
8733 
8734  // Context for global events is callbackContext if it is a DOM node or jQuery collection
8735  globalEventContext = s.context &&
8736  ( callbackContext.nodeType || callbackContext.jquery ) ?
8737  jQuery( callbackContext ) :
8738  jQuery.event,
8739 
8740  // Deferreds
8741  deferred = jQuery.Deferred(),
8742  completeDeferred = jQuery.Callbacks( "once memory" ),
8743 
8744  // Status-dependent callbacks
8745  statusCode = s.statusCode || {},
8746 
8747  // Headers (they are sent all at once)
8748  requestHeaders = {},
8749  requestHeadersNames = {},
8750 
8751  // Default abort message
8752  strAbort = "canceled",
8753 
8754  // Fake xhr
8755  jqXHR = {
8756  readyState: 0,
8757 
8758  // Builds headers hashtable if needed
8759  getResponseHeader: function( key ) {
8760  var match;
8761  if ( completed ) {
8762  if ( !responseHeaders ) {
8763  responseHeaders = {};
8764  while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
8765  responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
8766  }
8767  }
8768  match = responseHeaders[ key.toLowerCase() ];
8769  }
8770  return match == null ? null : match;
8771  },
8772 
8773  // Raw string
8774  getAllResponseHeaders: function() {
8775  return completed ? responseHeadersString : null;
8776  },
8777 
8778  // Caches the header
8779  setRequestHeader: function( name, value ) {
8780  if ( completed == null ) {
8781  name = requestHeadersNames[ name.toLowerCase() ] =
8782  requestHeadersNames[ name.toLowerCase() ] || name;
8783  requestHeaders[ name ] = value;
8784  }
8785  return this;
8786  },
8787 
8788  // Overrides response content-type header
8789  overrideMimeType: function( type ) {
8790  if ( completed == null ) {
8791  s.mimeType = type;
8792  }
8793  return this;
8794  },
8795 
8796  // Status-dependent callbacks
8797  statusCode: function( map ) {
8798  var code;
8799  if ( map ) {
8800  if ( completed ) {
8801 
8802  // Execute the appropriate callbacks
8803  jqXHR.always( map[ jqXHR.status ] );
8804  } else {
8805 
8806  // Lazy-add the new callbacks in a way that preserves old ones
8807  for ( code in map ) {
8808  statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
8809  }
8810  }
8811  }
8812  return this;
8813  },
8814 
8815  // Cancel the request
8816  abort: function( statusText ) {
8817  var finalText = statusText || strAbort;
8818  if ( transport ) {
8819  transport.abort( finalText );
8820  }
8821  done( 0, finalText );
8822  return this;
8823  }
8824  };
8825 
8826  // Attach deferreds
8827  deferred.promise( jqXHR );
8828 
8829  // Add protocol if not provided (prefilters might expect it)
8830  // Handle falsy url in the settings object (#10093: consistency with old signature)
8831  // We also use the url parameter if available
8832  s.url = ( ( url || s.url || location.href ) + "" )
8833  .replace( rprotocol, location.protocol + "//" );
8834 
8835  // Alias method option to type as per ticket #12004
8836  s.type = options.method || options.type || s.method || s.type;
8837 
8838  // Extract dataTypes list
8839  s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
8840 
8841  // A cross-domain request is in order when the origin doesn't match the current origin.
8842  if ( s.crossDomain == null ) {
8843  urlAnchor = document.createElement( "a" );
8844 
8845  // Support: IE <=8 - 11, Edge 12 - 13
8846  // IE throws exception on accessing the href property if url is malformed,
8847  // e.g. http://example.com:80x/
8848  try {
8849  urlAnchor.href = s.url;
8850 
8851  // Support: IE <=8 - 11 only
8852  // Anchor's host property isn't correctly set when s.url is relative
8853  urlAnchor.href = urlAnchor.href;
8854  s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
8855  urlAnchor.protocol + "//" + urlAnchor.host;
8856  } catch ( e ) {
8857 
8858  // If there is an error parsing the URL, assume it is crossDomain,
8859  // it can be rejected by the transport if it is invalid
8860  s.crossDomain = true;
8861  }
8862  }
8863 
8864  // Convert data if not already a string
8865  if ( s.data && s.processData && typeof s.data !== "string" ) {
8866  s.data = jQuery.param( s.data, s.traditional );
8867  }
8868 
8869  // Apply prefilters
8870  inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
8871 
8872  // If request was aborted inside a prefilter, stop there
8873  if ( completed ) {
8874  return jqXHR;
8875  }
8876 
8877  // We can fire global events as of now if asked to
8878  // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
8879  fireGlobals = jQuery.event && s.global;
8880 
8881  // Watch for a new set of requests
8882  if ( fireGlobals && jQuery.active++ === 0 ) {
8883  jQuery.event.trigger( "ajaxStart" );
8884  }
8885 
8886  // Uppercase the type
8887  s.type = s.type.toUpperCase();
8888 
8889  // Determine if request has content
8890  s.hasContent = !rnoContent.test( s.type );
8891 
8892  // Save the URL in case we're toying with the If-Modified-Since
8893  // and/or If-None-Match header later on
8894  // Remove hash to simplify url manipulation
8895  cacheURL = s.url.replace( rhash, "" );
8896 
8897  // More options handling for requests with no content
8898  if ( !s.hasContent ) {
8899 
8900  // Remember the hash so we can put it back
8901  uncached = s.url.slice( cacheURL.length );
8902 
8903  // If data is available, append data to url
8904  if ( s.data ) {
8905  cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
8906 
8907  // #9682: remove data so that it's not used in an eventual retry
8908  delete s.data;
8909  }
8910 
8911  // Add anti-cache in uncached url if needed
8912  if ( s.cache === false ) {
8913  cacheURL = cacheURL.replace( rts, "" );
8914  uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
8915  }
8916 
8917  // Put hash and anti-cache on the URL that will be requested (gh-1732)
8918  s.url = cacheURL + uncached;
8919 
8920  // Change '%20' to '+' if this is encoded form body content (gh-2658)
8921  } else if ( s.data && s.processData &&
8922  ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
8923  s.data = s.data.replace( r20, "+" );
8924  }
8925 
8926  // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8927  if ( s.ifModified ) {
8928  if ( jQuery.lastModified[ cacheURL ] ) {
8929  jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
8930  }
8931  if ( jQuery.etag[ cacheURL ] ) {
8932  jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
8933  }
8934  }
8935 
8936  // Set the correct header, if data is being sent
8937  if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
8938  jqXHR.setRequestHeader( "Content-Type", s.contentType );
8939  }
8940 
8941  // Set the Accepts header for the server, depending on the dataType
8942  jqXHR.setRequestHeader(
8943  "Accept",
8944  s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
8945  s.accepts[ s.dataTypes[ 0 ] ] +
8946  ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
8947  s.accepts[ "*" ]
8948  );
8949 
8950  // Check for headers option
8951  for ( i in s.headers ) {
8952  jqXHR.setRequestHeader( i, s.headers[ i ] );
8953  }
8954 
8955  // Allow custom headers/mimetypes and early abort
8956  if ( s.beforeSend &&
8957  ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
8958 
8959  // Abort if not done already and return
8960  return jqXHR.abort();
8961  }
8962 
8963  // Aborting is no longer a cancellation
8964  strAbort = "abort";
8965 
8966  // Install callbacks on deferreds
8967  completeDeferred.add( s.complete );
8968  jqXHR.done( s.success );
8969  jqXHR.fail( s.error );
8970 
8971  // Get transport
8972  transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
8973 
8974  // If no transport, we auto-abort
8975  if ( !transport ) {
8976  done( -1, "No Transport" );
8977  } else {
8978  jqXHR.readyState = 1;
8979 
8980  // Send global event
8981  if ( fireGlobals ) {
8982  globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
8983  }
8984 
8985  // If request was aborted inside ajaxSend, stop there
8986  if ( completed ) {
8987  return jqXHR;
8988  }
8989 
8990  // Timeout
8991  if ( s.async && s.timeout > 0 ) {
8992  timeoutTimer = window.setTimeout( function() {
8993  jqXHR.abort( "timeout" );
8994  }, s.timeout );
8995  }
8996 
8997  try {
8998  completed = false;
8999  transport.send( requestHeaders, done );
9000  } catch ( e ) {
9001 
9002  // Rethrow post-completion exceptions
9003  if ( completed ) {
9004  throw e;
9005  }
9006 
9007  // Propagate others as results
9008  done( -1, e );
9009  }
9010  }
9011 
9012  // Callback for when everything is done
9013  function done( status, nativeStatusText, responses, headers ) {
9014  var isSuccess, success, error, response, modified,
9015  statusText = nativeStatusText;
9016 
9017  // Ignore repeat invocations
9018  if ( completed ) {
9019  return;
9020  }
9021 
9022  completed = true;
9023 
9024  // Clear timeout if it exists
9025  if ( timeoutTimer ) {
9026  window.clearTimeout( timeoutTimer );
9027  }
9028 
9029  // Dereference transport for early garbage collection
9030  // (no matter how long the jqXHR object will be used)
9031  transport = undefined;
9032 
9033  // Cache response headers
9034  responseHeadersString = headers || "";
9035 
9036  // Set readyState
9037  jqXHR.readyState = status > 0 ? 4 : 0;
9038 
9039  // Determine if successful
9040  isSuccess = status >= 200 && status < 300 || status === 304;
9041 
9042  // Get response data
9043  if ( responses ) {
9044  response = ajaxHandleResponses( s, jqXHR, responses );
9045  }
9046 
9047  // Convert no matter what (that way responseXXX fields are always set)
9048  response = ajaxConvert( s, response, jqXHR, isSuccess );
9049 
9050  // If successful, handle type chaining
9051  if ( isSuccess ) {
9052 
9053  // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9054  if ( s.ifModified ) {
9055  modified = jqXHR.getResponseHeader( "Last-Modified" );
9056  if ( modified ) {
9057  jQuery.lastModified[ cacheURL ] = modified;
9058  }
9059  modified = jqXHR.getResponseHeader( "etag" );
9060  if ( modified ) {
9061  jQuery.etag[ cacheURL ] = modified;
9062  }
9063  }
9064 
9065  // if no content
9066  if ( status === 204 || s.type === "HEAD" ) {
9067  statusText = "nocontent";
9068 
9069  // if not modified
9070  } else if ( status === 304 ) {
9071  statusText = "notmodified";
9072 
9073  // If we have data, let's convert it
9074  } else {
9075  statusText = response.state;
9076  success = response.data;
9077  error = response.error;
9078  isSuccess = !error;
9079  }
9080  } else {
9081 
9082  // Extract error from statusText and normalize for non-aborts
9083  error = statusText;
9084  if ( status || !statusText ) {
9085  statusText = "error";
9086  if ( status < 0 ) {
9087  status = 0;
9088  }
9089  }
9090  }
9091 
9092  // Set data for the fake xhr object
9093  jqXHR.status = status;
9094  jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9095 
9096  // Success/Error
9097  if ( isSuccess ) {
9098  deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9099  } else {
9100  deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9101  }
9102 
9103  // Status-dependent callbacks
9104  jqXHR.statusCode( statusCode );
9105  statusCode = undefined;
9106 
9107  if ( fireGlobals ) {
9108  globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9109  [ jqXHR, s, isSuccess ? success : error ] );
9110  }
9111 
9112  // Complete
9113  completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9114 
9115  if ( fireGlobals ) {
9116  globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9117 
9118  // Handle the global AJAX counter
9119  if ( !( --jQuery.active ) ) {
9120  jQuery.event.trigger( "ajaxStop" );
9121  }
9122  }
9123  }
9124 
9125  return jqXHR;
9126  },
9127 
9128  getJSON: function( url, data, callback ) {
9129  return jQuery.get( url, data, callback, "json" );
9130  },
9131 
9132  getScript: function( url, callback ) {
9133  return jQuery.get( url, undefined, callback, "script" );
9134  }
9135 } );
9136 
9137 jQuery.each( [ "get", "post" ], function( i, method ) {
9138  jQuery[ method ] = function( url, data, callback, type ) {
9139 
9140  // Shift arguments if data argument was omitted
9141  if ( jQuery.isFunction( data ) ) {
9142  type = type || callback;
9143  callback = data;
9144  data = undefined;
9145  }
9146 
9147  // The url can be an options object (which then must have .url)
9148  return jQuery.ajax( jQuery.extend( {
9149  url: url,
9150  type: method,
9151  dataType: type,
9152  data: data,
9153  success: callback
9154  }, jQuery.isPlainObject( url ) && url ) );
9155  };
9156 } );
9157 
9158 
9159 jQuery._evalUrl = function( url ) {
9160  return jQuery.ajax( {
9161  url: url,
9162 
9163  // Make this explicit, since user can override this through ajaxSetup (#11264)
9164  type: "GET",
9165  dataType: "script",
9166  cache: true,
9167  async: false,
9168  global: false,
9169  "throws": true
9170  } );
9171 };
9172 
9173 
9174 jQuery.fn.extend( {
9175  wrapAll: function( html ) {
9176  var wrap;
9177 
9178  if ( this[ 0 ] ) {
9179  if ( jQuery.isFunction( html ) ) {
9180  html = html.call( this[ 0 ] );
9181  }
9182 
9183  // The elements to wrap the target around
9184  wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9185 
9186  if ( this[ 0 ].parentNode ) {
9187  wrap.insertBefore( this[ 0 ] );
9188  }
9189 
9190  wrap.map( function() {
9191  var elem = this;
9192 
9193  while ( elem.firstElementChild ) {
9194  elem = elem.firstElementChild;
9195  }
9196 
9197  return elem;
9198  } ).append( this );
9199  }
9200 
9201  return this;
9202  },
9203 
9204  wrapInner: function( html ) {
9205  if ( jQuery.isFunction( html ) ) {
9206  return this.each( function( i ) {
9207  jQuery( this ).wrapInner( html.call( this, i ) );
9208  } );
9209  }
9210 
9211  return this.each( function() {
9212  var self = jQuery( this ),
9213  contents = self.contents();
9214 
9215  if ( contents.length ) {
9216  contents.wrapAll( html );
9217 
9218  } else {
9219  self.append( html );
9220  }
9221  } );
9222  },
9223 
9224  wrap: function( html ) {
9225  var isFunction = jQuery.isFunction( html );
9226 
9227  return this.each( function( i ) {
9228  jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
9229  } );
9230  },
9231 
9232  unwrap: function( selector ) {
9233  this.parent( selector ).not( "body" ).each( function() {
9234  jQuery( this ).replaceWith( this.childNodes );
9235  } );
9236  return this;
9237  }
9238 } );
9239 
9240 
9241 jQuery.expr.pseudos.hidden = function( elem ) {
9242  return !jQuery.expr.pseudos.visible( elem );
9243 };
9244 jQuery.expr.pseudos.visible = function( elem ) {
9245  return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9246 };
9247 
9248 
9249 
9250 
9251 jQuery.ajaxSettings.xhr = function() {
9252  try {
9253  return new window.XMLHttpRequest();
9254  } catch ( e ) {}
9255 };
9256 
9257 var xhrSuccessStatus = {
9258 
9259  // File protocol always yields status code 0, assume 200
9260  0: 200,
9261 
9262  // Support: IE <=9 only
9263  // #1450: sometimes IE returns 1223 when it should be 204
9264  1223: 204
9265  },
9266  xhrSupported = jQuery.ajaxSettings.xhr();
9267 
9268 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9269 support.ajax = xhrSupported = !!xhrSupported;
9270 
9271 jQuery.ajaxTransport( function( options ) {
9272  var callback, errorCallback;
9273 
9274  // Cross domain only allowed if supported through XMLHttpRequest
9275  if ( support.cors || xhrSupported && !options.crossDomain ) {
9276  return {
9277  send: function( headers, complete ) {
9278  var i,
9279  xhr = options.xhr();
9280 
9281  xhr.open(
9282  options.type,
9283  options.url,
9284  options.async,
9285  options.username,
9286  options.password
9287  );
9288 
9289  // Apply custom fields if provided
9290  if ( options.xhrFields ) {
9291  for ( i in options.xhrFields ) {
9292  xhr[ i ] = options.xhrFields[ i ];
9293  }
9294  }
9295 
9296  // Override mime type if needed
9297  if ( options.mimeType && xhr.overrideMimeType ) {
9298  xhr.overrideMimeType( options.mimeType );
9299  }
9300 
9301  // X-Requested-With header
9302  // For cross-domain requests, seeing as conditions for a preflight are
9303  // akin to a jigsaw puzzle, we simply never set it to be sure.
9304  // (it can always be set on a per-request basis or even using ajaxSetup)
9305  // For same-domain requests, won't change header if already provided.
9306  if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9307  headers[ "X-Requested-With" ] = "XMLHttpRequest";
9308  }
9309 
9310  // Set headers
9311  for ( i in headers ) {
9312  xhr.setRequestHeader( i, headers[ i ] );
9313  }
9314 
9315  // Callback
9316  callback = function( type ) {
9317  return function() {
9318  if ( callback ) {
9319  callback = errorCallback = xhr.onload =
9320  xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
9321 
9322  if ( type === "abort" ) {
9323  xhr.abort();
9324  } else if ( type === "error" ) {
9325 
9326  // Support: IE <=9 only
9327  // On a manual native abort, IE9 throws
9328  // errors on any property access that is not readyState
9329  if ( typeof xhr.status !== "number" ) {
9330  complete( 0, "error" );
9331  } else {
9332  complete(
9333 
9334  // File: protocol always yields status 0; see #8605, #14207
9335  xhr.status,
9336  xhr.statusText
9337  );
9338  }
9339  } else {
9340  complete(
9341  xhrSuccessStatus[ xhr.status ] || xhr.status,
9342  xhr.statusText,
9343 
9344  // Support: IE <=9 only
9345  // IE9 has no XHR2 but throws on binary (trac-11426)
9346  // For XHR2 non-text, let the caller handle it (gh-2498)
9347  ( xhr.responseType || "text" ) !== "text" ||
9348  typeof xhr.responseText !== "string" ?
9349  { binary: xhr.response } :
9350  { text: xhr.responseText },
9351  xhr.getAllResponseHeaders()
9352  );
9353  }
9354  }
9355  };
9356  };
9357 
9358  // Listen to events
9359  xhr.onload = callback();
9360  errorCallback = xhr.onerror = callback( "error" );
9361 
9362  // Support: IE 9 only
9363  // Use onreadystatechange to replace onabort
9364  // to handle uncaught aborts
9365  if ( xhr.onabort !== undefined ) {
9366  xhr.onabort = errorCallback;
9367  } else {
9368  xhr.onreadystatechange = function() {
9369 
9370  // Check readyState before timeout as it changes
9371  if ( xhr.readyState === 4 ) {
9372 
9373  // Allow onerror to be called first,
9374  // but that will not handle a native abort
9375  // Also, save errorCallback to a variable
9376  // as xhr.onerror cannot be accessed
9377  window.setTimeout( function() {
9378  if ( callback ) {
9379  errorCallback();
9380  }
9381  } );
9382  }
9383  };
9384  }
9385 
9386  // Create the abort callback
9387  callback = callback( "abort" );
9388 
9389  try {
9390 
9391  // Do send the request (this may raise an exception)
9392  xhr.send( options.hasContent && options.data || null );
9393  } catch ( e ) {
9394 
9395  // #14683: Only rethrow if this hasn't been notified as an error yet
9396  if ( callback ) {
9397  throw e;
9398  }
9399  }
9400  },
9401 
9402  abort: function() {
9403  if ( callback ) {
9404  callback();
9405  }
9406  }
9407  };
9408  }
9409 } );
9410 
9411 
9412 
9413 
9414 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9415 jQuery.ajaxPrefilter( function( s ) {
9416  if ( s.crossDomain ) {
9417  s.contents.script = false;
9418  }
9419 } );
9420 
9421 // Install script dataType
9422 jQuery.ajaxSetup( {
9423  accepts: {
9424  script: "text/javascript, application/javascript, " +
9425  "application/ecmascript, application/x-ecmascript"
9426  },
9427  contents: {
9428  script: /\b(?:java|ecma)script\b/
9429  },
9430  converters: {
9431  "text script": function( text ) {
9432  jQuery.globalEval( text );
9433  return text;
9434  }
9435  }
9436 } );
9437 
9438 // Handle cache's special case and crossDomain
9439 jQuery.ajaxPrefilter( "script", function( s ) {
9440  if ( s.cache === undefined ) {
9441  s.cache = false;
9442  }
9443  if ( s.crossDomain ) {
9444  s.type = "GET";
9445  }
9446 } );
9447 
9448 // Bind script tag hack transport
9449 jQuery.ajaxTransport( "script", function( s ) {
9450 
9451  // This transport only deals with cross domain requests
9452  if ( s.crossDomain ) {
9453  var script, callback;
9454  return {
9455  send: function( _, complete ) {
9456  script = jQuery( "<script>" ).prop( {
9457  charset: s.scriptCharset,
9458  src: s.url
9459  } ).on(
9460  "load error",
9461  callback = function( evt ) {
9462  script.remove();
9463  callback = null;
9464  if ( evt ) {
9465  complete( evt.type === "error" ? 404 : 200, evt.type );
9466  }
9467  }
9468  );
9469 
9470  // Use native DOM manipulation to avoid our domManip AJAX trickery
9471  document.head.appendChild( script[ 0 ] );
9472  },
9473  abort: function() {
9474  if ( callback ) {
9475  callback();
9476  }
9477  }
9478  };
9479  }
9480 } );
9481 
9482 
9483 
9484 
9485 var oldCallbacks = [],
9486  rjsonp = /(=)\?(?=&|$)|\?\?/;
9487 
9488 // Default jsonp settings
9489 jQuery.ajaxSetup( {
9490  jsonp: "callback",
9491  jsonpCallback: function() {
9492  var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9493  this[ callback ] = true;
9494  return callback;
9495  }
9496 } );
9497 
9498 // Detect, normalize options and install callbacks for jsonp requests
9499 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9500 
9501  var callbackName, overwritten, responseContainer,
9502  jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9503  "url" :
9504  typeof s.data === "string" &&
9505  ( s.contentType || "" )
9506  .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9507  rjsonp.test( s.data ) && "data"
9508  );
9509 
9510  // Handle iff the expected data type is "jsonp" or we have a parameter to set
9511  if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9512 
9513  // Get callback name, remembering preexisting value associated with it
9514  callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9515  s.jsonpCallback() :
9516  s.jsonpCallback;
9517 
9518  // Insert callback into url or form data
9519  if ( jsonProp ) {
9520  s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9521  } else if ( s.jsonp !== false ) {
9522  s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9523  }
9524 
9525  // Use data converter to retrieve json after script execution
9526  s.converters[ "script json" ] = function() {
9527  if ( !responseContainer ) {
9528  jQuery.error( callbackName + " was not called" );
9529  }
9530  return responseContainer[ 0 ];
9531  };
9532 
9533  // Force json dataType
9534  s.dataTypes[ 0 ] = "json";
9535 
9536  // Install callback
9537  overwritten = window[ callbackName ];
9538  window[ callbackName ] = function() {
9539  responseContainer = arguments;
9540  };
9541 
9542  // Clean-up function (fires after converters)
9543  jqXHR.always( function() {
9544 
9545  // If previous value didn't exist - remove it
9546  if ( overwritten === undefined ) {
9547  jQuery( window ).removeProp( callbackName );
9548 
9549  // Otherwise restore preexisting value
9550  } else {
9551  window[ callbackName ] = overwritten;
9552  }
9553 
9554  // Save back as free
9555  if ( s[ callbackName ] ) {
9556 
9557  // Make sure that re-using the options doesn't screw things around
9558  s.jsonpCallback = originalSettings.jsonpCallback;
9559 
9560  // Save the callback name for future use
9561  oldCallbacks.push( callbackName );
9562  }
9563 
9564  // Call if it was a function and we have a response
9565  if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9566  overwritten( responseContainer[ 0 ] );
9567  }
9568 
9569  responseContainer = overwritten = undefined;
9570  } );
9571 
9572  // Delegate to script
9573  return "script";
9574  }
9575 } );
9576 
9577 
9578 
9579 
9580 // Support: Safari 8 only
9581 // In Safari 8 documents created via document.implementation.createHTMLDocument
9582 // collapse sibling forms: the second one becomes a child of the first one.
9583 // Because of that, this security measure has to be disabled in Safari 8.
9584 // https://bugs.webkit.org/show_bug.cgi?id=137337
9585 support.createHTMLDocument = ( function() {
9586  var body = document.implementation.createHTMLDocument( "" ).body;
9587  body.innerHTML = "<form></form><form></form>";
9588  return body.childNodes.length === 2;
9589 } )();
9590 
9591 
9592 // Argument "data" should be string of html
9593 // context (optional): If specified, the fragment will be created in this context,
9594 // defaults to document
9595 // keepScripts (optional): If true, will include scripts passed in the html string
9596 jQuery.parseHTML = function( data, context, keepScripts ) {
9597  if ( typeof data !== "string" ) {
9598  return [];
9599  }
9600  if ( typeof context === "boolean" ) {
9601  keepScripts = context;
9602  context = false;
9603  }
9604 
9605  var base, parsed, scripts;
9606 
9607  if ( !context ) {
9608 
9609  // Stop scripts or inline event handlers from being executed immediately
9610  // by using document.implementation
9611  if ( support.createHTMLDocument ) {
9612  context = document.implementation.createHTMLDocument( "" );
9613 
9614  // Set the base href for the created document
9615  // so any parsed elements with URLs
9616  // are based on the document's URL (gh-2965)
9617  base = context.createElement( "base" );
9618  base.href = document.location.href;
9619  context.head.appendChild( base );
9620  } else {
9621  context = document;
9622  }
9623  }
9624 
9625  parsed = rsingleTag.exec( data );
9626  scripts = !keepScripts && [];
9627 
9628  // Single tag
9629  if ( parsed ) {
9630  return [ context.createElement( parsed[ 1 ] ) ];
9631  }
9632 
9633  parsed = buildFragment( [ data ], context, scripts );
9634 
9635  if ( scripts && scripts.length ) {
9636  jQuery( scripts ).remove();
9637  }
9638 
9639  return jQuery.merge( [], parsed.childNodes );
9640 };
9641 
9642 
9643 /**
9644  * Load a url into a page
9645  */
9646 jQuery.fn.load = function( url, params, callback ) {
9647  var selector, type, response,
9648  self = this,
9649  off = url.indexOf( " " );
9650 
9651  if ( off > -1 ) {
9652  selector = jQuery.trim( url.slice( off ) );
9653  url = url.slice( 0, off );
9654  }
9655 
9656  // If it's a function
9657  if ( jQuery.isFunction( params ) ) {
9658 
9659  // We assume that it's the callback
9660  callback = params;
9661  params = undefined;
9662 
9663  // Otherwise, build a param string
9664  } else if ( params && typeof params === "object" ) {
9665  type = "POST";
9666  }
9667 
9668  // If we have elements to modify, make the request
9669  if ( self.length > 0 ) {
9670  jQuery.ajax( {
9671  url: url,
9672 
9673  // If "type" variable is undefined, then "GET" method will be used.
9674  // Make value of this field explicit since
9675  // user can override it through ajaxSetup method
9676  type: type || "GET",
9677  dataType: "html",
9678  data: params
9679  } ).done( function( responseText ) {
9680 
9681  // Save response for use in complete callback
9682  response = arguments;
9683 
9684  self.html( selector ?
9685 
9686  // If a selector was specified, locate the right elements in a dummy div
9687  // Exclude scripts to avoid IE 'Permission Denied' errors
9688  jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
9689 
9690  // Otherwise use the full result
9691  responseText );
9692 
9693  // If the request succeeds, this function gets "data", "status", "jqXHR"
9694  // but they are ignored because response was set above.
9695  // If it fails, this function gets "jqXHR", "status", "error"
9696  } ).always( callback && function( jqXHR, status ) {
9697  self.each( function() {
9698  callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
9699  } );
9700  } );
9701  }
9702 
9703  return this;
9704 };
9705 
9706 
9707 
9708 
9709 // Attach a bunch of functions for handling common AJAX events
9710 jQuery.each( [
9711  "ajaxStart",
9712  "ajaxStop",
9713  "ajaxComplete",
9714  "ajaxError",
9715  "ajaxSuccess",
9716  "ajaxSend"
9717 ], function( i, type ) {
9718  jQuery.fn[ type ] = function( fn ) {
9719  return this.on( type, fn );
9720  };
9721 } );
9722 
9723 
9724 
9725 
9726 jQuery.expr.pseudos.animated = function( elem ) {
9727  return jQuery.grep( jQuery.timers, function( fn ) {
9728  return elem === fn.elem;
9729  } ).length;
9730 };
9731 
9732 
9733 
9734 
9735 /**
9736  * Gets a window from an element
9737  */
9738 function getWindow( elem ) {
9739  return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
9740 }
9741 
9742 jQuery.offset = {
9743  setOffset: function( elem, options, i ) {
9744  var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
9745  position = jQuery.css( elem, "position" ),
9746  curElem = jQuery( elem ),
9747  props = {};
9748 
9749  // Set position first, in-case top/left are set even on static elem
9750  if ( position === "static" ) {
9751  elem.style.position = "relative";
9752  }
9753 
9754  curOffset = curElem.offset();
9755  curCSSTop = jQuery.css( elem, "top" );
9756  curCSSLeft = jQuery.css( elem, "left" );
9757  calculatePosition = ( position === "absolute" || position === "fixed" ) &&
9758  ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
9759 
9760  // Need to be able to calculate position if either
9761  // top or left is auto and position is either absolute or fixed
9762  if ( calculatePosition ) {
9763  curPosition = curElem.position();
9764  curTop = curPosition.top;
9765  curLeft = curPosition.left;
9766 
9767  } else {
9768  curTop = parseFloat( curCSSTop ) || 0;
9769  curLeft = parseFloat( curCSSLeft ) || 0;
9770  }
9771 
9772  if ( jQuery.isFunction( options ) ) {
9773 
9774  // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
9775  options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
9776  }
9777 
9778  if ( options.top != null ) {
9779  props.top = ( options.top - curOffset.top ) + curTop;
9780  }
9781  if ( options.left != null ) {
9782  props.left = ( options.left - curOffset.left ) + curLeft;
9783  }
9784 
9785  if ( "using" in options ) {
9786  options.using.call( elem, props );
9787 
9788  } else {
9789  curElem.css( props );
9790  }
9791  }
9792 };
9793 
9794 jQuery.fn.extend( {
9795  offset: function( options ) {
9796 
9797  // Preserve chaining for setter
9798  if ( arguments.length ) {
9799  return options === undefined ?
9800  this :
9801  this.each( function( i ) {
9802  jQuery.offset.setOffset( this, options, i );
9803  } );
9804  }
9805 
9806  var docElem, win, rect, doc,
9807  elem = this[ 0 ];
9808 
9809  if ( !elem ) {
9810  return;
9811  }
9812 
9813  // Support: IE <=11 only
9814  // Running getBoundingClientRect on a
9815  // disconnected node in IE throws an error
9816  if ( !elem.getClientRects().length ) {
9817  return { top: 0, left: 0 };
9818  }
9819 
9820  rect = elem.getBoundingClientRect();
9821 
9822  // Make sure element is not hidden (display: none)
9823  if ( rect.width || rect.height ) {
9824  doc = elem.ownerDocument;
9825  win = getWindow( doc );
9826  docElem = doc.documentElement;
9827 
9828  return {
9829  top: rect.top + win.pageYOffset - docElem.clientTop,
9830  left: rect.left + win.pageXOffset - docElem.clientLeft
9831  };
9832  }
9833 
9834  // Return zeros for disconnected and hidden elements (gh-2310)
9835  return rect;
9836  },
9837 
9838  position: function() {
9839  if ( !this[ 0 ] ) {
9840  return;
9841  }
9842 
9843  var offsetParent, offset,
9844  elem = this[ 0 ],
9845  parentOffset = { top: 0, left: 0 };
9846 
9847  // Fixed elements are offset from window (parentOffset = {top:0, left: 0},
9848  // because it is its only offset parent
9849  if ( jQuery.css( elem, "position" ) === "fixed" ) {
9850 
9851  // Assume getBoundingClientRect is there when computed position is fixed
9852  offset = elem.getBoundingClientRect();
9853 
9854  } else {
9855 
9856  // Get *real* offsetParent
9857  offsetParent = this.offsetParent();
9858 
9859  // Get correct offsets
9860  offset = this.offset();
9861  if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
9862  parentOffset = offsetParent.offset();
9863  }
9864 
9865  // Add offsetParent borders
9866  parentOffset = {
9867  top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
9868  left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
9869  };
9870  }
9871 
9872  // Subtract parent offsets and element margins
9873  return {
9874  top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
9875  left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
9876  };
9877  },
9878 
9879  // This method will return documentElement in the following cases:
9880  // 1) For the element inside the iframe without offsetParent, this method will return
9881  // documentElement of the parent window
9882  // 2) For the hidden or detached element
9883  // 3) For body or html element, i.e. in case of the html node - it will return itself
9884  //
9885  // but those exceptions were never presented as a real life use-cases
9886  // and might be considered as more preferable results.
9887  //
9888  // This logic, however, is not guaranteed and can change at any point in the future
9889  offsetParent: function() {
9890  return this.map( function() {
9891  var offsetParent = this.offsetParent;
9892 
9893  while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
9894  offsetParent = offsetParent.offsetParent;
9895  }
9896 
9897  return offsetParent || documentElement;
9898  } );
9899  }
9900 } );
9901 
9902 // Create scrollLeft and scrollTop methods
9903 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
9904  var top = "pageYOffset" === prop;
9905 
9906  jQuery.fn[ method ] = function( val ) {
9907  return access( this, function( elem, method, val ) {
9908  var win = getWindow( elem );
9909 
9910  if ( val === undefined ) {
9911  return win ? win[ prop ] : elem[ method ];
9912  }
9913 
9914  if ( win ) {
9915  win.scrollTo(
9916  !top ? val : win.pageXOffset,
9917  top ? val : win.pageYOffset
9918  );
9919 
9920  } else {
9921  elem[ method ] = val;
9922  }
9923  }, method, val, arguments.length );
9924  };
9925 } );
9926 
9927 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
9928 // Add the top/left cssHooks using jQuery.fn.position
9929 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
9930 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
9931 // getComputedStyle returns percent when specified for top/left/bottom/right;
9932 // rather than make the css module depend on the offset module, just check for it here
9933 jQuery.each( [ "top", "left" ], function( i, prop ) {
9934  jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
9935  function( elem, computed ) {
9936  if ( computed ) {
9937  computed = curCSS( elem, prop );
9938 
9939  // If curCSS returns percentage, fallback to offset
9940  return rnumnonpx.test( computed ) ?
9941  jQuery( elem ).position()[ prop ] + "px" :
9942  computed;
9943  }
9944  }
9945  );
9946 } );
9947 
9948 
9949 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
9950 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
9951  jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
9952  function( defaultExtra, funcName ) {
9953 
9954  // Margin is only for outerHeight, outerWidth
9955  jQuery.fn[ funcName ] = function( margin, value ) {
9956  var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
9957  extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
9958 
9959  return access( this, function( elem, type, value ) {
9960  var doc;
9961 
9962  if ( jQuery.isWindow( elem ) ) {
9963 
9964  // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
9965  return funcName.indexOf( "outer" ) === 0 ?
9966  elem[ "inner" + name ] :
9967  elem.document.documentElement[ "client" + name ];
9968  }
9969 
9970  // Get document width or height
9971  if ( elem.nodeType === 9 ) {
9972  doc = elem.documentElement;
9973 
9974  // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
9975  // whichever is greatest
9976  return Math.max(
9977  elem.body[ "scroll" + name ], doc[ "scroll" + name ],
9978  elem.body[ "offset" + name ], doc[ "offset" + name ],
9979  doc[ "client" + name ]
9980  );
9981  }
9982 
9983  return value === undefined ?
9984 
9985  // Get width or height on the element, requesting but not forcing parseFloat
9986  jQuery.css( elem, type, extra ) :
9987 
9988  // Set width or height on the element
9989  jQuery.style( elem, type, value, extra );
9990  }, type, chainable ? margin : undefined, chainable );
9991  };
9992  } );
9993 } );
9994 
9995 
9996 jQuery.fn.extend( {
9997 
9998  bind: function( types, data, fn ) {
9999  return this.on( types, null, data, fn );
10000  },
10001  unbind: function( types, fn ) {
10002  return this.off( types, null, fn );
10003  },
10004 
10005  delegate: function( selector, types, data, fn ) {
10006  return this.on( types, selector, data, fn );
10007  },
10008  undelegate: function( selector, types, fn ) {
10009 
10010  // ( namespace ) or ( selector, types [, fn] )
10011  return arguments.length === 1 ?
10012  this.off( selector, "**" ) :
10013  this.off( types, selector || "**", fn );
10014  }
10015 } );
10016 
10017 jQuery.parseJSON = JSON.parse;
10018 
10019 
10020 
10021 
10022 // Register as a named AMD module, since jQuery can be concatenated with other
10023 // files that may use define, but not via a proper concatenation script that
10024 // understands anonymous AMD modules. A named AMD is safest and most robust
10025 // way to register. Lowercase jquery is used because AMD module names are
10026 // derived from file names, and jQuery is normally delivered in a lowercase
10027 // file name. Do this after creating the global so that if an AMD module wants
10028 // to call noConflict to hide this version of jQuery, it will work.
10029 
10030 // Note that for maximum portability, libraries that are not jQuery should
10031 // declare themselves as anonymous modules, and avoid setting a global if an
10032 // AMD loader is present. jQuery is a special case. For more information, see
10033 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10034 
10035 if ( typeof define === "function" && define.amd ) {
10036  define( "jquery", [], function() {
10037  return jQuery;
10038  } );
10039 }
10040 
10041 
10042 
10043 
10044 
10045 var
10046 
10047  // Map over jQuery in case of overwrite
10048  _jQuery = window.jQuery,
10049 
10050  // Map over the $ in case of overwrite
10051  _$ = window.$;
10052 
10053 jQuery.noConflict = function( deep ) {
10054  if ( window.$ === jQuery ) {
10055  window.$ = _$;
10056  }
10057 
10058  if ( deep && window.jQuery === jQuery ) {
10059  window.jQuery = _jQuery;
10060  }
10061 
10062  return jQuery;
10063 };
10064 
10065 // Expose jQuery and $ identifiers, even in AMD
10066 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10067 // and CommonJS for browser emulators (#13566)
10068 if ( !noGlobal ) {
10069  window.jQuery = window.$ = jQuery;
10070 }
10071 
10072 
10073 return jQuery;
10074 } );