JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <div id="aKGPp-head">
    <table width="100%" cellpadding="0" cellspacing="0" border="0"
    style="table-layout:fixed;">
      <tr id="aKGPq" align="left" style="background:red;">
        <th style="width:60;" >
          <div>
            <div></div>
          </div>
        </th>
        <th style="width:141;">
          <div>
            <div></div>
          </div>
        </th>
      </tr>
    </table>
  </div>
  <div>
    <table width="100%" cellpadding="0" cellspacing="0" border="0"
    style="table-layout:fixed;">
      <tbody>
        <tr>
          <td>
            <div>
                <span id="aKGPv">IE6/7 only</span>
            </div>
          </td>
        </tr>
      </tbody>
    </table>
  </div>
</div>

JavaScript

$(document).ready(function () {
$('#aKGPp-head').hide();
    $('#aKGPv').html('IE6/7 only :visible ' + ($('#aKGPq').is(':visible') + " offsetHeight: " + $('#aKGPq')[0].offsetHeight));
});