JSFiddle - React, Tailwind, and code Playground

by freedawirl

HTML

<a class='clickMe' id='Food' href="#">Show </a><br /><br />
<select>
    <option value="">Default</option>
    <optgroup label="Food">
        <option value="Burgers">Burgers</option>
        <option value="French Fries">French Fries</option>
    </optgroup>
    <optgroup label="blah">
        <option value="1">1</option>
        <option value="2">2</option>
    </optgroup>
</select>

JavaScript

$('.clickMe').live('toggle', function(){
    $('select').val($('optgroup[label="Food"]'));
});