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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=600641" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Class
6.5M/s
ID
2.3M/s
class ~=
1.8M/s
data attribute
1.5M/s
View exact numbers
Test name
Executions per second
✓
Class
6,483,768 Ops/sec
ID
2,340,939 Ops/sec
class ~=
1,780,601 Ops/sec
data attribute
1,499,727 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"]');