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XHTML Tags
<!-->
<!DOCTYPE>
<a>
<abbr>
<acronym>
<address>
<applet>
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<basefont>
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<big>
<blockquote>
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<br>
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<colgroup>
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<dfn>
<dir>
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<fieldset>
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<frameset>
<head>
<h1> - <h6>
<hr>
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<kbd>
<label>
<legend>
<li>
<link>
<map>
<menu>
<meta>
<noframes>
<noscript>
<object>
<ol>
<optgroup>
<option>
<p>
<param>
<pre>
<q>
<s>
<samp>
<script>
<select>
<small>
<span>
<strike>
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<style>
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<table>
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<textarea>
<tfoot>
<th>
<thead>
<title>
<tr>
<tt>
<u>
<ul>
<var>

Standard
Attributes
Events
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The <optgroup> tag

Definition and Usage

Defines an option group. This element allows you to group choices. When you have a long list of options, groups of related choices are easier to handle.

Example

XHTML Output
<select>
<optgroup label="Swedish Cars">
<option value ="volvo">Volvo</option>
<option value ="saab">Saab</option>
</optgroup>
<optgroup label="German Cars">
<option value ="mercedes">Mercedes</option>
<option value ="audi">Audi</option>
</optgroup>
</select>

Required Attributes

DTD indicates in which XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.

Attribute Value Description DTD
label text_label Defines the label for the option group STF

Optional Attributes

Attribute Value Description DTD
disabled disabled Disables the option-group when it first loads STF

Standard Attributes

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

For a full description, go to Standard Attributes.

Event Attributes

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

For a full description, go to Event Attributes.

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