Example of how to use table-sort-js with basic HTML.
Download: table-sort.js (Select option save as.)

        <script src="table-sort.js"></script>
          <table class="table-sort">
            <thead>
              <tr>
                <th>Last Name</th>
                <th>First Name</th>
                <th class="order-by-desc">Birth Date</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>Franklin</td>
                <td>Benjamin</td>
                <td>1706/1/17</td>
              </tr>
              <tr>
                <td>Carnegie</td>
                <td>Andew</td>
                <td>1835/11/25</td>
              </tr>
              <tr>
                <td>Twain</td>
                <td>Mark</td>
                <td>1835/11/30</td>
              </tr>
            </tbody>
          </table>