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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0

Browser: Firefox 64

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
getElementById()	1028632.0 Ops/sec
getElementsByClassName()	1057625.6 Ops/sec
getElementsByTagName()	1255337.1 Ops/sec
querySelector(#id)	1263273.2 Ops/sec
querySelector(.id)	1206710.5 Ops/sec
querySelectorAll(tag#id)	319226.3 Ops/sec
querySelectorAll(.id)	406968.1 Ops/sec
jQuery(#id)	1026381.4 Ops/sec
jQuery(.id)	240928.2 Ops/sec
jQuery(tag#id)	109965.4 Ops/sec
jQuery(tag.id)	118647.0 Ops/sec
jQuery + getElementById	824005.8 Ops/sec
jQuery + getElementsByClassName	305855.9 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;