Run results for: jQuery versus Vanilla JS GetID Speed Test

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0

Browser: Firefox 83

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Vanilla getElementById(id)	4277035.5 Ops/sec
Vanilla querySelector(#id)	3103198.5 Ops/sec
Vanilla querySelectorAll(#id)	904798.1 Ops/sec
jQuery(#id)	3267010.5 Ops/sec

HTML Preparation code:

<script src="//code.jquery.com/jquery-3.4.1.slim.min.js"></script>
<div id="fixed-id"></div>

Tests:

Vanilla getElementById(id)
var el = document.getElementById("fixed-id"); var className = el.className;
Vanilla querySelector(#id)
var el = document.querySelector('#fixed-id'); var className = el.className;
Vanilla querySelectorAll(#id)
var el = document.querySelectorAll('#fixed-id'); var className = el.className;
jQuery(#id)
var el = $("#fixed-id"); var className = el.className;