Run results for: jQuery by id vs Document.getElementById

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 9_3_4 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13G35 Safari/601.1

Browser: Mobile Safari 9

Operating system: iOS 9.3.4

Device Platform: iPad

Date tested: 7 years ago

Test name	Executions per second
jQuery	536170.2 Ops/sec
Vanilla JS	3597199.0 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.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;