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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

querySelectorAll by Element

10K/s

querySelectorAll by Class

10K/s

querySelectorAll by Attribute

6K/s

jQuery selector by Element

1K/s

jQuery selector by Class

1K/s

jQuery selector by Attribute

1K/s

View exact numbers

Test name	Executions per second
✓ querySelectorAll by Element	10,500 Ops/sec
querySelectorAll by Class	9,919 Ops/sec
querySelectorAll by Attribute	5,563 Ops/sec
jQuery selector by Element	1,434 Ops/sec
jQuery selector by Class	1,387 Ops/sec
jQuery selector by Attribute	1,162 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');