OptGroupElement
The HTMLOptGroupElement interface provides special properties and methods (beyond the regular HTMLElement object interface they also have available to them by inheritance) for manipulating the layout and presentation of optgroup elements.
Documentation HTMLOptGroupElement by Mozilla Contributors, licensed under CC-BY-SA 2.5.
See:
Instance Members
disabled: BoolIs a boolean representing whether or not the whole list of children option is disabled (true) or not (false).
label: StringIs a DOMString representing the label for the group.