JavaScript Reference/Javascript Properties/rowSpan
"rowSpan" Example
<html>
<body>
<script language="JavaScript">
function function1() {
document.getElementById("myTableHeader").rowSpan = 2;
}
function function2() {
location.reload();
}
</script>
<table width="542" border="10" bordercolor="red" cellpadding="20">
<tr>
<th id="myTableHeader">Cell 1</th>
<th>Cell 2</th>
<th id="th5">Cell 3</th>
</tr>
<tr>
<th>Cell 4</th>
<th id="th2">Cell 5</th>
<th>Cell 6</th>
</tr>
<tr>
<th>Cell 7</th>
<th>Cell 8</th>
<th>Cell 9</th>
</tr>
<tr>
<th >Cell 10</th>
<th >Cell 11</th>
<th >Cell 12</th>
</tr>
</table>
<input type="button" value="Span(2) Cell 1" onClick="function1();">
<input type="button" value="Restore" onClick="function2();">
</body>
</html>
"rowSpan" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<td> <th> |
+----------------+--------------------------------------------------------------+
"rowSpan" Syntax and Note
Note:
Read and write property.
Specifies the number of table rows that the cell should span.
Syntax:
document.getElementById("elementID").rowSpan = value
document.all.elementID.rowSpan = value // IE only