Run results for: Vanilla JS vs jQuery Selectors - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Browser: Chrome 96

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Vanilla JS ID Selector	1114230.0 Ops/sec
Vanilla JS Class Selector	1063770.9 Ops/sec
Vanilla JS Data Hook	330509.5 Ops/sec
jQuery ID Selector	500390.3 Ops/sec
jQuery Class Selector	223517.4 Ops/sec
jQuery Data Hook Selector	128551.6 Ops/sec

HTML Preparation code:

<div id="foo" class="bar" data-hook="test">Hello World</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.slim.min.js"></script>

Tests:

Vanilla JS ID Selector
document.getElementById("foo");
Vanilla JS Class Selector
document.getElementsByClassName("bar");
Vanilla JS Data Hook
document.querySelectorAll('[data-hook="test"]');
jQuery ID Selector
$("#foo");
jQuery Class Selector
$(".bar");
jQuery Data Hook Selector
$('[data-hook="test"]');