Hello charlesjacome,
You can add table and shortcode in your post/page and give that table a id,which is put on shortcode.
[wp_jdt id=”demo”]
<table id=’demo’ width=’100%’>
<thead>
<tr>
<th>Name</th>
<th>Position</th> <th>Office</th>
<th>Age</th> <th>Start date</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Start date</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td
<td>2011/04/25</td>
<td>$320,800</td>
</tr>
</tbody>
</table>
Thanks