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May 03, 2021 13:20 HTML5
HTML5 and colgroup,tags can be combined with .lt;col.gt; tags.
The labels set the background color for the three columns in the table:
Try it out . . .
<table border="1"> <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>
All major browsers support the hashtag.
The label is used to combine columns in a table to format them.
You can apply styles to the entire column without having to repeatedly style each cell or row by using the label.
Note: Labels can only be used within the element, after any one of the elements, in any one of the elements.
Most of the properties in HTML 4.01 are no longer supported in HTML5.
|HTML5 is not supported. Specifies the horizontal alignment of content in a column combination.|
|char (abandoned)||character||HTML5 is not supported. Specify which characters to align the contents of a column group.|
|Charoff (abandoned)||number||HTML5 is not supported. Specifies the offset of the first aligned character.|
|span||number||Specifies the number of columns that a column group should span.|
|HTML5 is not supported. Defines the vertical alignment of content in column combinations.|
|HTML5 is not supported. Specifies the width of the column combination.|
The label supports the global properties of HTML.
The tag supports the event properties of HTML.