HTML th colspan attribute

Example

An HTML table with a header cell that spans two columns:

<table width="100%" border="1"> <tr> <th colspan="2">Monthly Savings</th> </tr> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </table>

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Definition and Usage

The colspan attribute defines the number of columns a header cell should span.

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Browser Support

The colspan attribute is supported in all major browsers.
Note: None of the major browsers supports colspan="0", which have a special meaning (look below in the "Attribute Values" table).

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Syntax

<th colspan="value">

Attribute Values

Value	Description
number	Sets the number of columns a header cell should span.Note: colspan="0" tells the browser to span the cell to the last column of the column group (colgroup)