Run results for: jQuery versus Vanilla JS GetID Speed Test

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36

Browser: Chrome 74

Operating system: Mac OS X 10.14.4

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Vanilla getElementById(id)	3019636.8 Ops/sec
Vanilla querySelector(#id)	1586494.5 Ops/sec
Vanilla querySelectorAll(#id)	550479.4 Ops/sec
jQuery(#id)	738122.2 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;