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Run results for:
DataAttribute vs Class Selector vs ID Selector vs Custom Attributes
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<iframe src="https://measurethat.net/Embed?id=610851" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0
Browser:
Firefox 139
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
data attribute
3628566.0 Ops/sec
class
4086343.2 Ops/sec
id
4076351.5 Ops/sec
uid
3480149.5 Ops/sec
HTML Preparation code:
<div class="hello" id="hello" data-hello uid="hello">Hello</div>
Tests:
data attribute
document.querySelector('[data-hello]');
class
document.querySelector('.hello');
id
document.querySelector('#hello');
uid
document.querySelector('[uid="hello"]');