Run results for: jQuery vs Vanilla JS Selectors

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36 OPR/60.0.3255.95

Browser: Opera 60

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

HTML Preparation code:

<script src="//ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.slim.min.js"></script>
<div id="foo" class="bar" data-hook="test">Hello World</div>

Tests:

Pure JS ID Selector
var el = document.getElementById("foo"); console.log(el);
Pure JS Class Selector
var el = document.getElementsByClassName("bar"); console.log(el);
Pure JS Data Hook
var el = document.querySelectorAll('[data-hook~="test"]'); console.log(el);
jQuery ID Selector
console.log($("#foo"));
jQuery Class Selector
console.log($(".bar"));
jQuery Data Hook Selector
console.log($('[data-hook="test"]'));