List of tags
Summary:
The optgroup element allows the author to group related option
elements into a hierarchy. The browser may use this hierarchy to
facilitate layout and presentation on a wide variety of devices.
Attributes:
Name |
Data type |
Mandatory |
Default |
Description |
id |
String |
X |
|
A unique name for the tag within the deck |
class |
String |
X |
|
A name of a class of which the tag is a member |
xml:lang |
String |
X |
|
The natural or formal language of the tag or its attributes |
title |
String |
X |
|
Specifies a title for this element, which may be used in the presentation of this object. |
Nested tags: