HTML <optgroup> disabled Attribute

HTML optgroup Tag Reference HTML <optgroup> tag

Example

A disabled option-group:

<select>
  <optgroup label="German Cars" disabled>
    <option value="mercedes">Mercedes</option>
    <option value="audi">Audi</option>
  </optgroup>
</select>

Try it Yourself »

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.

Attribute
disabled 1.0 8.0 Yes Yes Yes

Differences Between HTML 4.01 and HTML5

NONE.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the disabled attribute must be defined as <optgroup disabled="disabled">.


Syntax

<optgroup disabled>

HTML optgroup Tag Reference HTML <optgroup> tag

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