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 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

jQuery selector by Class

14K/s

jQuery selector by Element

7K/s

querySelectorAll by Class

6K/s

querySelectorAll by Attribute

5K/s

querySelectorAll by Element

5K/s

jQuery selector by Attribute

3K/s

View exact numbers

Test name	Executions per second
✓ jQuery selector by Class	13,956 Ops/sec
jQuery selector by Element	6,913 Ops/sec
querySelectorAll by Class	5,522 Ops/sec
querySelectorAll by Attribute	5,493 Ops/sec
querySelectorAll by Element	5,244 Ops/sec
jQuery selector by Attribute	3,452 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');