Run results for: jQuery hasClass vs vanilla JS classList.contains

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
jQuery hasClass	3531538.2 Ops/sec
Vanilla JS classList.contains	14869929.0 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:

jQuery hasClass
$("#el").hasClass("test");
Vanilla JS classList.contains
document.getElementById("el").classList.contains("test");