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Run results for:
DataAttribute vs Class Selector vs ID Selector
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=613132" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.5
Device Platform:
Mobile
Date tested:
10 months ago
Test name
Executions per second
Class
10673372.0 Ops/sec
ID
7819099.0 Ops/sec
data attribute
7505263.0 Ops/sec
HTML Preparation code:
<div class="hello" id="hello" data-hello>Hello</div>
Tests:
Class
document.querySelector('.hello');
ID
document.querySelector('#hello');
data attribute
document.querySelector('[data-hello]');