Run results for: jQuery/Zepto by id vs Document.getElementById

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
jQuery	733378.4 Ops/sec
Vanilla JS	1977147.1 Ops/sec
Zepto	728636.7 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<script src="http://zeptojs.com/zepto.min.js"></script>
<div id="testElement"></div>

Tests:

jQuery
var el = $("#testElement")[0]; var className = el.className;
Vanilla JS
var el = document.getElementById('testElement'); var className = el.className;
Zepto
var el = Zepto("#testElement")[0]; var className = el.className;

Run results for: jQuery/Zepto by id vs Document.getElementById

Comparing speed of getting element by id with jQuery vs Zepto vs Vanilla JS

jQuery

Vanilla JS

Zepto