optgroup
Summary
Allows authors to group choices logically in a select element.
Overview Table
Examples
The following example shows how to use the OPTGROUP element to create groups of items in a drop-down list box.
<SELECT>
<OPTGROUP LABEL="Alkaline Metals">
<OPTION>Lithium (Li)</OPTION>
<OPTION>Sodium (Na)</OPTION>
<OPTION>Potassium (K)</OPTION>
</OPTGROUP>
<OPTGROUP LABEL="Halogens">
<OPTION>Fluorine (F)</OPTION>
<OPTION>Chlorine (Cl)</OPTION>
<OPTION>Bromine (Br)</OPTION>
</OPTGROUP>
</SELECT>
Notes
Remarks
In HTML 4.01, all OPTGROUP elements must be specified directly within a SELECT element. Groups may not be nested. You can add OPTGROUP elements only to a SELECT element located in the same window where the OPTGROUP elements are created. This element is available in HTML as of Microsoft Internet Explorer 6.
Standards information
- HTML 4.01 Specification, Section 17.6
HTML information
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Related specifications
Attributions
Microsoft Developer Network: [Windows Internet Explorer API reference Article]