files/en-us/web/api/htmloptgroupelement/index.md
{{ APIRef("HTML DOM") }}
The HTMLOptGroupElement interface provides special properties and methods (beyond the regular {{domxref("HTMLElement")}} object interface they also have available to them by inheritance) for manipulating the layout and presentation of {{HTMLElement("optgroup")}} elements.
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Inherits properties from its parent, {{domxref("HTMLElement")}}.
No specific method; inherits methods from its parent, {{domxref("HTMLElement")}}.
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