jQuery by id vs Document.getElementById
Comparing speed of getting element by id with jQuery vs Vanilla JS
Date tested:
2024 years ago
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Firefox/60.0
Test name
Executions per second
jQuery
1411155.0 Ops/sec
Vanilla JS
1926100.0 Ops/sec
Benchmark definition (click to collapse):
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;
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