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. 

Syntax:

<optgroup disabled>option value...</optgroup>

Example: 

Output:

 👁 disabledoptgroup
 

Supported Browsers: The browser supported by <optgroup> disabled attribute are listed below:

• Apple Safari
• Google Chrome 1.0
• Edge 12
• Firefox 1.0
• Opera
• Internet Explorer 8.0