Run results for: querySelectorAll vs JQuery

Compares the performance of querySelectorAll against JQuery for selecting elements. For class selector, getElementsByClassName is the best. For element selector, getElementsByTagName is the best.

Go to the benchmark

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0

Browser: Firefox 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
querySelectorAll by Attribute	2500.7 Ops/sec
jQuery selector by Attribute	1601.1 Ops/sec
querySelectorAll by Class	3977.1 Ops/sec
jQuery selector by Class	5234.3 Ops/sec
querySelectorAll by Element	4152.5 Ops/sec
jQuery selector by Element	4946.1 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<content id="demo">Hello World!</content>

Script Preparation code:

let components = '';
for (let i=0; i<10000; i+=1) {
    components += '<div class="component" data-component="component' + i + '">Content ' + i + '</div>'
}
document.getElementById("demo").innerHTML = components;

Tests:

querySelectorAll by Attribute
let components = document.querySelectorAll('[data-component]');
jQuery selector by Attribute
let components = $('[data-component]');
querySelectorAll by Class
let components = document.querySelectorAll('.component');
jQuery selector by Class
let components = $('.component');
querySelectorAll by Element
let components = document.querySelectorAll('div');
jQuery selector by Element
let components = $('div');

Run results for: querySelectorAll vs JQuery

Compares the performance of querySelectorAll against JQuery for selecting elements. For class selector, getElementsByClassName is the best. For element selector, getElementsByTagName is the best.

querySelectorAll by Attribute

jQuery selector by Attribute

querySelectorAll by Class

jQuery selector by Class

querySelectorAll by Element

jQuery selector by Element