Benchmark: addClass/removeClass vs classList.add/remove

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<script type="text/javascript">
  var jq331 = $.noConflict(true);
</script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.js'></script>
<script type="text/javascript">
  var jq214 = $.noConflict(true);
</script>
<div id="testElement"></div>

Tests:

jQuery 3.3.1 addClass/removeClass
var element = jq331('#testElement'); element.removeClass('test-class'); element.addClass('test-class'); element.removeClass('test-class');
jQuery 2.1.4 addClass/removeClass
var element = jq214('#testElement'); element.removeClass('test-class'); element.addClass('test-class'); element.removeClass('test-class');
Vanilla JS classList add/remove
var element = jq331('#testElement')[0]; element.classList.remove('test-class'); element.classList.add('test-class'); element.classList.remove('test-class');

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
jQuery 3.3.1 addClass/removeClass
jQuery 2.1.4 addClass/removeClass
Vanilla JS classList add/remove

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 27 days ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser/OS: Chrome 112 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
jQuery 3.3.1 addClass/removeClass	322943.2 Ops/sec
jQuery 2.1.4 addClass/removeClass	388192.7 Ops/sec
Vanilla JS classList add/remove	648009.4 Ops/sec

addClass/removeClass vs classList.add/remove (version: 0)

jQuery addClass/removeClass vs classList.add/remove

Comparing performance of: jQuery 3.3.1 addClass/removeClass vs jQuery 2.1.4 addClass/removeClass vs Vanilla JS classList add/remove

Created: 5 years ago by: Guest

Jump to the latest result

jQuery 3.3.1 addClass/removeClass

jQuery 2.1.4 addClass/removeClass

Vanilla JS classList add/remove

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A