HTML 5 <colgroup> Tag
Example
<table width="100%" border="1">
<colgroup span="2" style="background:red"></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 is used to group 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.
The <colgroup> tag can only be used inside a table element.
Differences Between HTML 4.01 and HTML 5
Most of the attributes from 4.01 are not supported in HTML 5.
Tips and Notes
Note: The colgroup element can only contain col elements.
Note: The colgroup element does not create columns. To create columns, you must specify td elements within a tr
element.
Tip: Use the colgroup element if you want to specify
the same attribute values to a group of columns.
Tip: Use the col element when you want to specify
different attribute values to more than one table column.
Attributes
| Attribute |
Value |
Description |
| span |
number |
Defines the number of columns the <col> should span |
Standard Attributes
| class, contenteditable, contextmenu, dir, draggable, id, irrelevant, lang, ref, registrationmark, tabindex, template, title |
For a full description, go to Standard Attributes in HTML 5.
Event Attributes
| onabort, onbeforeunload, onblur, onchange, onclick,
oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave,
ondragover, ondragstart, ondrop, onerror, onfocus, onkeydown, onkeypress,
onkeyup, onload, onmessage, onmousedown, onmousemove,
onmouseover, onmouseout, onmouseup, onmousewheel, onresize, onscroll, onselect,
onsubmit, onunload |
For a full description, go to Event Attributes in HTML 5.
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