Run results for: jQuery 3.3.1 selector vs document.querySelector

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
jQuery 3.3.1	4492952.5 Ops/sec
Vanilla JS	2641399.8 Ops/sec

HTML Preparation code:

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

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