What is HTML <optgroup> disabled Attribute

The disabled attribute for <optgroup> element in HTML is used to specify that the option-group is disabled. A disabled optgroup is un-clickable and unusable. It is a boolean attribute.

Definition and Usage

The disabled attribute is a boolean attribute.

When present, it specifies that an option-group should be disabled.

A disabled option-group is unusable and un-clickable.

The disabled attribute can be set to keep a user from selecting the option-group until some other condition has been met (like selecting a checkbox, etc.). Then, a JavaScript is required to remove the disabled value, and make the option-group selectable.

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Syntax

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