Run results for: jQuery hasClass vs jQuery classList.contains

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
jQuery hasClass	1660276.0 Ops/sec
jQuery classList.contains	3624836.0 Ops/sec

HTML Preparation code:

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

Tests: