Javascript Reference - HTML DOM TableData colSpan Property

The colSpan property sets or gets the colspan attribute.

The colspan attribute specifies the number of columns a table cell should span.

Browser Support


`colSpan`	Yes	Yes	Yes	Yes	Yes

Syntax

Return the colSpan property.

var v = tabledataObject.colSpan

Set the colSpan property.

tabledataObject.colSpan=number

Property Values

Value	Description
number	Specifies the number of columns a cell should span

Return Value

A Number type value representing the number of columns a table cell should span.

Example

The following code shows how to change the number of columns a table cell should span.


<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {<!--from  w w  w  .  ja v  a2 s  .c  o m-->
    border: 1px solid black;
}
</style>
</head>
<body>
<table>
  <tr>
    <th>Item</th>
    <th>Price</th>
  </tr>
  <tr>
    <td id="myTd" colspan="2">A</td>
    <td>$1</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$0</td>
  </tr>
</table>
<br> 
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    document.getElementById("myTd").colSpan = "1";
}
</script>

</body>
</html>

The code above is rendered as follows:

Example 2

The following code shows how to get the number of columns a specific table cell should span.


<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {<!--   w  ww.j  a  v  a 2 s. co  m-->
    border: 1px solid black;
}
</style>
</head>
<body>
<table>
  <tr>
    <th>Item</th>
    <th>Price</th>
  </tr>
  <tr>
    <td id="myTd" colspan="2">A</td>
    <td>$1</td>
  </tr>
  <tr>
    <td>B</td>
    <td>$10</td>
  </tr>
</table>
<br> 

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

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

<script>
function myFunction(x) {
    var x = document.getElementById("myTd").colSpan;
    document.getElementById("demo").innerHTML = "The value of colspan is: " + x;
}
</script>

</body>
</html>

The code above is rendered as follows: