Javascript DOM HTML TableData rowSpan Property

Introduction

Change the number of rows a table cell should span: 

document.getElementById("myTd").rowSpan = "1";

Click the button to change the value of the rowspan attribute, from 2 to 1, of td with id=myTd.

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<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {
  border: 1px solid black;
}
</style>//  w ww  .j  ava2 s.  c  o  m
</head>
<body>
<table border="1">
  <tr>
    <th>Month</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td id="myTd" rowspan="2">January</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$100</td>
  </tr>
</table>
<br>

<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
  document.getElementById("myTd").rowSpan = "1";
}
</script>

</body>
</html>

The rowSpan property sets or gets the value of the rowspan attribute.

The rowspan attribute specifies the number of rows a table cell should span.

The rowSpan property returns a Number representing the number of rows a table cell should span.




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