deleteCellsExpandZeroColspan.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<body>

<table bgcolor="orange" border="1">

<tr>

  <td>c11</td><td>c12</td><td>c13</td><td>c14</td>

</tr>

 <tr>

  <td id="c21">c21</td><td colspan="0">X1</td>

 </tr>

</table>

<script>

document.body.offsetWidth;

c21 = document.getElementById("c21");

c21.remove();

</script>

</body>

</html>