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<!-->
<!DOCTYPE>
<a>
<abbr>
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<basefont>
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<body>
<br>
<button>
<caption>
<center>
<cite>
<code>
<col>
<colgroup>
<dd>
<del>
<dfn>
<dir>
<div>
<dl>
<dt>
<em>
<fieldset>
<font>
<form>
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<frameset>
<head>
<h1> - <h6>
<hr>
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<s>
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<table>
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<td>
<textarea>
<tfoot>
<th>
<thead>
<title>
<tr>
<tt>
<u>
<ul>
<var>

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HTML <colgroup> tag


Definition and Usage

Defines groups of table columns. With this element, you can group columns for formatting. This element is only valid inside the <table> tag. 


Differences Between HTML and XHTML

NONE


Tips and Notes

Note: The colgroup element is an empty element that contains attributes only. To create columns, you must specify td elements within a tr element.


Example

This example creates a table with four columns, with the first three columns in one colgroup, and the last column in the second colgroup:

Source Output
<table border="1">
<colgroup span="3" style="color:#FF0000;">
</colgroup>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
<td>4</td>
</tr>
</table>
1 2 3 4


Optional Attributes

DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
align right
left
center
justify
char
Defines the horizontal alignment of the contents in the column group STF
char character Defines a character to use to align text on (use with align="char") STF
charoff character-offset Defines an alignment offset to the first character to align on, as set with char STF
span number Defines the number of columns the <colgroup> should span STF
valign top
middle
bottom
baseline
Defines the vertical alignment of the contents in the column group STF
width %
pixels
relative_length
Defines the width of the column group.

Note: The width attribute can be overridden by settings in <col>!

STF

Standard Attributes

id, class, title, style, dir, lang, xml:lang

For a full description, go to Standard Attributes.

Event Attributes

onclick, ondblclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout, onkeypress, onkeydown, onkeyup

For a full description, go to Event Attributes.



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