Run results for: jQuery hasClass vs jQuery classList.contains

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0 SeaMonkey/2.53.6

Browser: SeaMonkey 2

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
jQuery hasClass	1008751.0 Ops/sec
jQuery classList.contains	2529729.0 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: