Run results for: jQuery addClass vs classList.add

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.79 Safari/537.36

Browser: Chrome 67

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
jQuery addClass	395895.0 Ops/sec
Javascript classList.add	1248871.0 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests: