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:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

querySelectorAll by Element

6K/s

jQuery selector by Class

6K/s

querySelectorAll by Class

6K/s

jQuery selector by Element

5K/s

querySelectorAll by Attribute

5K/s

jQuery selector by Attribute

3K/s

View exact numbers

Test name	Executions per second
✓ querySelectorAll by Element	6,467 Ops/sec
jQuery selector by Class	6,385 Ops/sec
querySelectorAll by Class	5,704 Ops/sec
jQuery selector by Element	5,323 Ops/sec
querySelectorAll by Attribute	4,601 Ops/sec
jQuery selector by Attribute	2,996 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');