HTMLOptGroupElement: disabled property
The disabled property of the HTMLOptGroupElement interface is a boolean value that reflects the <optgroup> element's disabled attribute, which indicates whether the control is disabled.
When disabled, the <option> element descendants of the <optgroup> element are unusable, un-clickable, and unselectable. These disabled <option>s will match the :disabled selector, even if their disabled property value is false.
Value
A boolean value.
Examples
js
const optionGroup = document.getElementById("groupB");
console.log(optionGroup.disabled);
optionGroup.disabled = true;