Run results for: jQuery by id vs Document.getElementById

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.1; V2 Build/N6F26Q) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36

Browser: Chrome Mobile 56

Operating system: Android 7.1.1

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
jQuery	110639.4 Ops/sec
Vanilla JS	281127.9 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;