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optgroup

Specifies a grouping of option elements within a select element.

Browser/User Agent Support

IE Netscape Mozilla Opera Safari
6.0+ 6.0+ 1.0+ 4.0+ 1.0+

Example

This example shows a select list of dog breeds with three list items. The two large breeds are grouped together into an option group.


<select name="dog" id="dog" >
	<optgroup label= "bigDogs" >
		<option id="lab" label="lab" value="lab" > Labrador retriever </option>
		<option id="golden" label="golden" value="golden" > Golden retriever </option>
	</optgroup>
	<option id="pug" label="pug" value="pug" > Pug </option>
</select>

Remarks

<optgroup></optgroup> tags should always be nested within a <select></select> element.

Attribute Detail

Attribute IE Netscape Mozilla Opera Safari
class
[class-name]. Example values: header-class, list-element, etc.
CSS class assigned to the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
dir
Direction of the element text.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Specifies whether or not the element is disabled.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
id
[element-id]
Unique identifier for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
label
[element-label]
Short text description for the element.
4.0+ 1.0+ 4.0+ 1.0+
 
lang
[language-code]. Example values: "en" (English), "fr" (French), "es" (Spanish), etc.
Language code for the content of the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
style
[style-name]
Inline style for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
title
[text-description]
Short text description for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 

Event Detail

Event IE Netscape Mozilla Opera Safari
Fires when the element becomes active.
4.0+ no no no no
 
Fires immediately before the element becomes active.
4.0+ no no no no
 
Fires immediately before the selection is copied to the clipboard.
4.0+ no no no 1.0+
 
Fires immediately before the selection is cut to the clipboard.
4.0+ no no no 1.0+
 
Fires immediately before the element stops being the active element.
4.0+ no no no no
 
Fires immediately before the element receives focus prior to being edited.
4.0+ no no no no
 
Fires immediately before the selection is pasted from the clipboard to the element.
4.0+ no no no 1.0+
 
Fires when the element loses focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the element is clicked.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the element is right-clicked and the context menu opens.
4.0+ no no no 1.0+
 
Fires immediately before the element is selected.
4.0+ no no no no
 
Fires when the element is copied to the clipboard.
4.0+ no no no 1.0+
 
Fires when the element is cut to the clipboard.
4.0+ no no no 1.0+
 
Fires when the element is double-clicked.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the active element becomes inactive.
4.0+ no no no no
 
Fires when the element is dragged.
4.0+ no no no 1.0+
 
Fires when the element is released from being dragged.
4.0+ no no no 1.0+
 
Fires when the element has another object dragged onto it that can be dropped on the element.
4.0+ no no no 1.0+
 
Fires when an element has an object dragged out of it that could be dropped onto the element.
4.0+ no no no 1.0+
 
Fires when an element has an object dragged over it that could be dropped onto the element.
4.0+ no no no 1.0+
 
Fires immediately before an element is dragged.
4.0+ no no no 1.0+
 
Fires when an object is dropped onto the element.
4.0+ no no no 1.0+
 
Fires when the element receives focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires immediately before an element receives focus.
4.0+ no no no no
 
Fires immediately after focus moves from the element to another element.
4.0+ no no no no
 
Fires when a user presses the F1 key to activate help.
4.0+ no no no no
 
Fires when a user presses down on a key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when a user presses a key or holds down the key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when a user releases a key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when Print or Print Preview finishes laying out the content in a LayoutRect with the source data.
4.0+ no no no no
 
Fires when the element loses mouse capture.
4.0+ no no no no
 
Fires when a user clicks down on the mouse button while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer enters the element.
4.0+ no no no no
 
Fires when the mouse pointer leaves the element.
4.0+ no no no no
 
Fires when the mouse moves while the pointer over the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer moves off of the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer moves over the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the user releases the mouse button while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the user rotates the mouse wheel while the element has focus.
4.0+ no no no no
 
Fires when the element moves.
4.0+ no no no no
 
Fires when the element stops moving.
4.0+ no no no no
 
Fires immediately before the element moves.
4.0+ no no no no
 
Fires when the clipboard contents are pasted onto the element.
4.0+ no no no 1.0+
 
Fires when one of the properties of the element changes.
4.0+ no no no no
 
Fires when the ready state of the element changes.
4.0+ no no no no
 
Fires immediately before an element is about to be resized.
4.0+ no no no 1.0+
 
Fires when the element is finished being resized.
4.0+ no no no no
 
Fires immediately before a user resizes the element.
4.0+ no no no no
 
Fires immediately before the element is selected.
4.0+ no no no 1.0+
 
Fires when a time-related error occurs.
4.0+ no no no no
 

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