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Run results for:
querySelector vs. getElementById Performance
https://ahmedbouchefra.com
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<iframe src="https://measurethat.net/Embed?id=627304" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0
Browser:
Firefox 149
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
getElementById
12744895.0 Ops/sec
querySelector
8630223.0 Ops/sec
HTML Preparation code:
<div id="el"></div>
Tests:
getElementById
var el = document.getElementById('el'); var className = el.className;
querySelector
var el = document.querySelector('#el'); var className = el.className;