Run results for: jQuery vs Vanilla JS GetID Speed Test 22

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Browser: Chrome 71

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
getElementById()	3200012.0 Ops/sec
getElementsByClassName()	2122716.5 Ops/sec
getElementsByTagName()	2591566.0 Ops/sec
querySelector(#id)	1878350.1 Ops/sec
querySelector(.id)	2483852.5 Ops/sec
querySelectorAll(tag#id)	720099.1 Ops/sec
querySelectorAll(.id)	952701.6 Ops/sec
jQuery(#id)	1073269.1 Ops/sec
jQuery(.id)	524750.3 Ops/sec
jQuery(tag#id)	282727.9 Ops/sec
jQuery(tag.id)	286523.3 Ops/sec
jQuery + getElementById	1211657.9 Ops/sec
jQuery + getElementsByClassName	488558.9 Ops/sec

HTML Preparation code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.slim.min.js"></script>
<div id="foo" class="foo2"></div>

Tests:

getElementById()
var el = document.getElementById("foo"); var className = el.className;
getElementsByClassName()
var el = document.getElementsByClassName("foo2"); var className = el.className;
getElementsByTagName()
var el = document.getElementsByTagName("div")[0]; var className = el.className;
querySelector(#id)
var el = document.querySelector('#foo'); var className = el.className;
querySelector(.id)
var el = document.querySelector('.foo2'); var className = el.className;
querySelectorAll(tag#id)
var el = document.querySelectorAll('div#foo'); var className = el.className;
querySelectorAll(.id)
var el = document.querySelectorAll('.foo2'); var className = el.className;
jQuery(#id)
var el = $("#foo"); var className = el.className;
jQuery(.id)
var el = $(".foo2"); var className = el.className;
jQuery(tag#id)
var el = $("div#foo"); var className = el.className;
jQuery(tag.id)
var el = $("div.foo2"); var className = el.className;
jQuery + getElementById
var el = $(document.getElementById("foo")); var className = el.className;
jQuery + getElementsByClassName
var el = $(document.getElementsByClassName("foo2")); var className = el.className;