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Run results for:
DataAttribute vs Class Selector vs ID Selector
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<iframe src="https://measurethat.net/Embed?id=557435" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0
Browser:
Firefox 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Class
3.0M/s
data attribute
2.6M/s
ID
2.4M/s
View exact numbers
Test name
Executions per second
✓
Class
3,015,228 Ops/sec
data attribute
2,639,120 Ops/sec
ID
2,420,712 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]');