geostats - Javascript classification library samples

Github page - download (from github)

Sample 8 - a choropleth representation (using openlayers) with JSON input

Sample 9 - dynamic HTML legend with user input, feature count and callback function

Sample 10 - Handle unique values

Sample 11 - Reading shapefile and creating choropleth map from attribute data

Using geostats and js-shapefile-to-geojson (by Marc Harter) to create thematic maps. Access demo page.