Run results for: jQuery addClass vs classList.add

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Javascript classList.add

5.9M/s

jQuery addClass

3.2M/s

View exact numbers

Test name	Executions per second
✓ Javascript classList.add	5,895,395 Ops/sec
jQuery addClass	3,247,416 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: