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Run results for:
dataAttribute vs attribute vs Class Selector vs ID Selector
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<iframe src="https://measurethat.net/Embed?id=613234" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
Class
5576935.5 Ops/sec
ID
5463650.0 Ops/sec
data attribute
5038874.5 Ops/sec
just random attribute
5387097.0 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]');
just random attribute
document.querySelector('[class]');