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:
html
<!DOCTYPE html><html> <head> <title>HTML <optgroup> disabled Attribute</title> </head> <body style = "text-align:center"> <h1 style = "color: green;">GeeksforGeeks</h1> <h2>HTML optgroup disabled Attribute</h2> <select> <!--A disabled optgroup--> <optgroup label="Sorting Algorithms" disabled> <option value="merge">Merge sort</option> <option value="quick">Quick sort</option> </optgroup> </select> </body></html> |
Output:
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
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