Run results for: jQuery hasClass vs jQuery classList.contains

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0

Browser: Firefox 76

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
jQuery hasClass	1237411.0 Ops/sec
jQuery classList.contains	2560953.0 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: