rowspan attribute

Type:number
Inherited:no
Used By:td
See:colspan

The rowspan attribute can be set to cause a single table cell to span more than one row. It's use is identical to HTML.

The second column consists of one cell which is as high as the whole table

<table>
  <tr>
    <td>Row 1</td>
    <td rowspan="2">Both rows</td>
  </tr><tr>
    <td>Row 2</td>
  </tr>
</table>