Run results for: jQuery 3.3.1 selector vs document.querySelector

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Vanilla JS

6.7M/s

jQuery 3.3.1

3.9M/s

View exact numbers

Test name	Executions per second
✓ Vanilla JS	6,684,944 Ops/sec
jQuery 3.3.1	3,866,327 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<div id="testElement"></div>

Tests:

jQuery 3.3.1
var el = $("#testElement")[0]; var className = el.className;
Vanilla JS
var el = document.querySelector('#testElement'); var className = el.className;