February 2006
Intermediate to advanced
826 pages
63h 42m
English
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Name
optgroup
Synopsis
<optgroup>...</optgroup>
Defines a logical group of options elements. This could be used by
browsers to display hierarchical cascading menus. An optgroup element cannot contain other
optgroup elements (they cannot be
nested).
Attributes
Core(id,
class, style, title),
Internationalization,
Events
-
disabled="disabled" Indicates that the group of options is nonfunctional. It can be reactivated with a script.
-
label="text" Required. Specifies the label for the option group.