controller.html

<table>
  <tr>
    <td>
      <select id='arraySelect' style="width: 100%">

      </select>
    </td>
  </tr>
  <tr>
    <td>
      <select class='representations' style="width: 100%">
        <option value='0'>Points</option>
        <option value='1'>Wireframe</option>
        <option value='2' selected>Surface</option>
      </select>
    </td>
  </tr>
  <tr>
    <td>
      Opacity: <input class='resolution' type='range' min='0' max='100' value='100' />
    </td>
  </tr>
</table>
<hr>
<ul>
  <li>Range: <span id='range'></span></li>
</ul>