WML <optgroup> tag
 Complete WML Reference
The <optgroup> tag defines a group of options in a selectable list.
Note: The <optgroup> tag must go inside the select element.
Syntax
<select>
<optgroup>
<option>text</option>
<option>text</option>
</optgroup>
<optgroup>
<option>text</option>
<option>text</option>
</optgroup>
</select>
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Attributes
| Attribute |
Value |
Description |
| title |
cdata |
Sets a title for the optgroup element |
| xml:lang |
language_code |
Sets the language used in the element |
| class |
cdata |
Sets a class name for the element. The class name is case
sensitive. An element can be connected to multiple classes. Multiple class
names within the class attribute are separated by white space |
| id |
id |
Sets a unique name for the element |
Examples
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card title="Selectable List">
<p>
<select>
<optgroup title="HTML Tutorials">
<option value="html">HTML Tutorial</option>
<option value="css">CSS Tutorial</option>
<option value="dhtml">XHTML Tutorial</option>
</optgroup>
<optgroup title="XML Tutorials">
<option value="xml">XML Tutorial</option>
<option value="xsl">XSL Tutorial</option>
<option value="xforms">XForms Tutorial</option>
</optgroup>
</select>
</p>
</card>
</wml>
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