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 &lt;optgroup&gt; 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:

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

HTML <optgroup> disabled Attribute

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