Run results for: jQuery addClass vs classList.add

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Javascript classList.add

4.1M/s

jQuery addClass

3.0M/s

View exact numbers

Test name	Executions per second
✓ Javascript classList.add	4,109,974 Ops/sec
jQuery addClass	2,971,161 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div id="el"></div>

Script Preparation code:

document.getElementById("el").classList.remove("test");

Tests: