The headers
attribute on a table cell element points to one or more table header cells that the current table cell is related to.
The headers
setting has no visual effect.
A headers attribute on 6 <td> elements.
Each data cell references its corresponding table header cell.
Name | Country | |
---|---|---|
Christina | Berglund | Sweden |
Maria | Larsson | Sweden |
<style>
table.tb { width: 300px; border-collapse: collapse; }
.tb th { background-color:lightblue; }
.tb th, .tb td { border: solid 1px #777; padding: 5px; }
</style>
<table class="tb">
<tr>
<th id="name" colspan="2">Name</th>
<th id="country">Country</th>
</tr>
<tr>
<td headers="name">Christina</td>
<td headers="name">Berglund</td>
<td headers="country">Sweden</td>
</tr>
<tr>
<td headers="name">Maria</td>
<td headers="name">Larsson</td>
<td headers="country">Sweden</td>
</tr>
</table>
For additional details see our HTML td headers Reference.
The headers
attribute specifies which table header cells are related to the current table cell.
This attribute accepts a space-separated string of table header ids.
The headers
setting has no visual effect. It is used by screen readers, search engines, JavaScript, etc.
<tagname headers="header-ids" >
Value | Description |
---|---|
header-ids | Space-separated string of table header ids. |
The following elements accept the headers
attribute.
Elements | Description | |
---|---|---|
<td> | Specifies a standard table cell -- see example above | |
<th> | Specifies a header cell. |
A headers attribute on 2 <th> elements.
Both second row header cells are related to the first row header cell.
Online Customers | |
---|---|
First name | Last name |
Denice | Templeman |
Paulo | Cornell |
Maria | Larsson |
<style>
table.tbl { width: 300px; border-collapse: collapse; }
.tbl th { background-color:aliceblue; }
.tbl th, .tbl td { border: solid 1px #777; padding: 5px; }
#online { background-color:lightblue; }
</style>
<table class="tbl">
<tr>
<th id="online" colspan="2">Online Customers</th>
</tr>
<tr>
<th headers="online">First name</th>
<th headers="online">Last name</th>
</tr>
<tr>
<td>Denice</td>
<td>Templeman</td>
</tr>
<tr>
<td>Paulo</td>
<td>Cornell</td>
</tr>
<tr>
<td>Maria</td>
<td>Larsson</td>
</tr>
</table>
For additional details see our HTML th headers Reference.
Here is when headers
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 |