Run results for: jQuery versus Vanilla JS GetID Speed Test

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 13020.87.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.119 Safari/537.36

Browser: Chrome 83

Operating system: Chrome OS 13020.87.0

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Vanilla getElementById(id)	3726261.5 Ops/sec
Vanilla querySelector(#id)	2383370.2 Ops/sec
Vanilla querySelectorAll(#id)	1010315.4 Ops/sec
jQuery(#id)	1291836.2 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;