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:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

jQuery selector by Element

13K/s

jQuery selector by Class

13K/s

querySelectorAll by Element

11K/s

querySelectorAll by Class

11K/s

querySelectorAll by Attribute

10K/s

jQuery selector by Attribute

6K/s

View exact numbers

Test name	Executions per second
✓ jQuery selector by Element	13,397 Ops/sec
jQuery selector by Class	13,185 Ops/sec
querySelectorAll by Element	11,039 Ops/sec
querySelectorAll by Class	10,842 Ops/sec
querySelectorAll by Attribute	10,279 Ops/sec
jQuery selector by Attribute	5,794 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');