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Run results for:
jQuery by id vs Document.getElementById
Comparing speed of getting element by id with jQuery vs Vanilla JS
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<iframe src="https://measurethat.net/Embed?id=626864" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 26
Operating system:
iOS 18.7
Device Platform:
Mobile
Date tested:
one month ago
Test name
Executions per second
jQuery
7817656.0 Ops/sec
Vanilla JS
42124628.0 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;