Run results for: jQuery vs getElementById vs querySelector

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; Redmi Note 8 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.5249.126 Mobile Safari/537.36 OPR/72.0.3767.68191

Browser: Opera Mobile 72

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
jQuery	525679.4 Ops/sec
getElementById	1256869.2 Ops/sec
querySelector	805543.1 Ops/sec

HTML Preparation code:

<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<div id="testElement" class="test class list classes"></div>

Tests:

jQuery
var el = $("#testElement")[0];
getElementById
var el = document.getElementById('testElement');
querySelector
var el = document.querySelector("#testElement");

Run results for: jQuery vs getElementById vs querySelector

Comparing speed of getting element by id with jQuery vs Vanilla JS with getElementById and querySelector

jQuery

getElementById

querySelector