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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=559419" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0
Browser:
Firefox 131
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
ID
4.0M/s
Class
3.8M/s
data attribute
3.5M/s
View exact numbers
Test name
Executions per second
✓
ID
3,963,172 Ops/sec
Class
3,807,525 Ops/sec
data attribute
3,517,555 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]');