Run results for: jQuery by id vs Document.getElementById

Run details:

User agent: Mozilla/5.0 (Android 8.0.0; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

jQuery

579K/s

Vanilla JS

479K/s

View exact numbers

Test name	Executions per second
✓ jQuery	578,729 Ops/sec
Vanilla JS	479,254 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;