HTML Colgroup Tag - W3Schools
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Example
Set the background color of the three columns with the <colgroup> and <col> tags:
<table> <colgroup> <col span="2" style="background-color:red"> <col style="background-color:yellow"> </colgroup> <tr> <th>ISBN</th> <th>Title</th> <th>Price</th> </tr> <tr> <td>3476896</td> <td>My first HTML</td> <td>$53</td> </tr> </table> Try it Yourself »Definition and Usage
The <colgroup> tag specifies a group of one or more columns in a table for formatting.
The <colgroup> tag is useful for applying styles to entire columns, instead of repeating the styles for each cell, for each row.
Note: The <colgroup> tag must be a child of a <table> element, after any <caption> elements and before any <thead>, <tbody>, <tfoot>, and <tr> elements.
Tip: To define different properties to a column within a <colgroup>, use the <col> tag within the <colgroup> tag.
Browser Support
Element | |||||
---|---|---|---|---|---|
<colgroup> | Yes | Yes | Yes | Yes | Yes |
Attributes
Attribute | Value | Description |
---|---|---|
span | number | Specifies the number of columns a column group should span |
Global Attributes
The <colgroup> tag also supports the Global Attributes in HTML.
Event Attributes
The <colgroup> tag also supports the Event Attributes in HTML.
Related Pages
HTML DOM reference: ColumnGroup Object
Default CSS Settings
Most browsers will display the <colgroup> element with the following default values:
Example
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