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; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

jQuery selector by Class

7K/s

querySelectorAll by Class

5K/s

querySelectorAll by Element

5K/s

querySelectorAll by Attribute

5K/s

jQuery selector by Element

5K/s

jQuery selector by Attribute

2K/s

View exact numbers

Test name	Executions per second
✓ jQuery selector by Class	7,180 Ops/sec
querySelectorAll by Class	5,012 Ops/sec
querySelectorAll by Element	4,648 Ops/sec
querySelectorAll by Attribute	4,637 Ops/sec
jQuery selector by Element	4,557 Ops/sec
jQuery selector by Attribute	2,414 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');