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JS & DOM Reference

Overview

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td/th colSpan Property

td/th Object

Definition and Usage

The colSpan property sets or returns the number of columns a table cell should span.

Syntax

Set the colSpan property:

tdObject.colSpan="number"

or

thObject.colSpan="number"

Return the colSpan property:

tdObject.colSpan

or

thObject.colSpan

Tip: There is no default value for the colSpan property.

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

Browser Support

The colSpan property is supported in all major browsers.

Example

Change the number of columns a cell should span:

<html>
<head>
<script>
function displayResult()
{
document.getElementById("myHeader1").colSpan="2";
}
</script>
</head>
<body>

<table border="1">
<tr>
    <th id="myHeader1">Month</th>
    <th id="myHeader2">Savings</th>
</tr>
<tr>
    <td>January</td>
    <td>$100.00</td>
</tr>
<tr>
    <td>February</td>
    <td>$10.00</td>
</tr>
<tr>
    <td>March</td>
    <td>$80.00</td>
</tr>
</table>
<br>

<button type="button" onclick="displayResult()">Change colSpan for the first cell</button>

</body>
</html>

Try it yourself »

td/th Object