Run results for: jQuery hasClass vs jQuery classList.contains

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 13

Operating system: iOS 13.3

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
jQuery hasClass	1285354.0 Ops/sec
jQuery classList.contains	2349708.0 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: