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Run results for:
DataAttribute vs Class Selector vs ID Selector vs ~=
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=525172" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
Browser:
Chrome 125
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Class
5.2M/s
ID
3.8M/s
data attribute
3.4M/s
class ~=
3.2M/s
View exact numbers
Test name
Executions per second
✓
Class
5,241,002 Ops/sec
ID
3,762,875 Ops/sec
data attribute
3,415,274 Ops/sec
class ~=
3,174,403 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]');
class ~=
document.querySelector('div[class~="hello"]');