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HTML <th> colspan Attribute

The colspan attribute on a <th> tag specifies the number of columns a table header cell should occupy, i.e. span.

The default is 1, which is equivalent to no column span.

Example

#

A <th> element with a colspan value of 2.
The first header cell stretches over two columns.

Name Country
Denice Templeman Italy
Paulo Cornell USA
Maria Larsson Sweden
<style>
  table.tbl {width:300px;border-collapse:collapse;}
  .tbl th, .tbl td {border:solid 1px #777;padding:5px;}
  .tbl th {background-color: lightblue;}
</style>

<table class="tbl">
  <tr>
    <th colspan="2">Name</th> 
    <th>Country</th>
  </tr>
  <tr>
    <td>Denice</td>
    <td>Templeman</td>
    <td>Italy</td>
  </tr>
  <tr>
    <td>Paulo</td>
    <td>Cornell</td>
    <td>USA</td>
  </tr>
  <tr>
    <td>Maria</td>
    <td>Larsson</td>
    <td>Sweden</td>
  </tr>
</table>

Using colspan

A value of 0 will span until the last column in the current <colgroup> (column group).

The default value is 1, meaning no column span.


Syntax

<th colspan="number">

Values

#

Value Description
number Number of columns the header cell should span.

Browser support

Here is when colspan support started for each browser:

Chrome
1.0 Sep 2008
Firefox
1.0 Sep 2002
IE/Edge
1.0 Aug 1995
Opera
1.0 Jan 2006
Safari
1.0 Jan 2003

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Last updated on Sep 30, 2023




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