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:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

querySelectorAll by Class

9K/s

jQuery selector by Class

9K/s

querySelectorAll by Attribute

9K/s

querySelectorAll by Element

8K/s

jQuery selector by Element

6K/s

jQuery selector by Attribute

4K/s

View exact numbers

Test name	Executions per second
✓ querySelectorAll by Class	9,209 Ops/sec
jQuery selector by Class	8,881 Ops/sec
querySelectorAll by Attribute	8,506 Ops/sec
querySelectorAll by Element	7,502 Ops/sec
jQuery selector by Element	5,685 Ops/sec
jQuery selector by Attribute	3,850 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');