jQuery .hasClass() vs .is() performance

Benchmark created on February 4, 2011

Preparation HTML

<div id="foo" class="bar"></div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

Test runner

$('foo').hasClass('bar');

$('foo').is('.bar');

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published on February 4, 2011
• Revision 2: published on February 24, 2011
• Revision 3: published by samplist on August 17, 2011
• Revision 4: published by samplist on August 17, 2011
• Revision 6: published by Tim on March 14, 2013
• Revision 7: published by Tim on March 14, 2013
• Revision 8: published by Ross on November 12, 2014
• Revision 10: published on February 6, 2015
• Revision 11: published on March 31, 2015