Run results for: jQuery addClass vs classList.add qS

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.183 Safari/537.36 Vivaldi/1.96.1147.42

Browser: Chrome 65

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
jQuery addClass	247773.0 Ops/sec
Javascript classList.add	669111.9 Ops/sec

HTML Preparation code:

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

Script Preparation code:

document.getElementById("el").classList.remove("test");

Tests: