Run results for: querySelector vs JQuery

Compares the performance of querySelector against JQuery for selecting elements. For class selector, getElementsByClassName is the best. For element selector, getElementsByTagName is the best.

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.0

Browser: Chrome 146

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
querySelectorAll by Attribute	4137857.5 Ops/sec
jQuery selector by Attribute	821.3 Ops/sec
querySelectorAll by Class	6965326.0 Ops/sec
jQuery selector by Class	1018.9 Ops/sec
querySelectorAll by Element	6678891.5 Ops/sec
jQuery selector by Element	1029.2 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.querySelector('[data-component]');
jQuery selector by Attribute
let components = $('[data-component]');
querySelectorAll by Class
let components = document.querySelector('.component');
jQuery selector by Class
let components = $('.component');
querySelectorAll by Element
let components = document.querySelector('div');
jQuery selector by Element
let components = $('div');

Run results for: querySelector vs JQuery

Compares the performance of querySelector against JQuery for selecting elements. For class selector, getElementsByClassName is the best. For element selector, getElementsByTagName is the best.

querySelectorAll by Attribute

jQuery selector by Attribute

querySelectorAll by Class

jQuery selector by Class

querySelectorAll by Element

jQuery selector by Element