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Run results for:
DataAttribute vs Class Selector vs ID native Selector
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=610853" 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:
one year ago
ID
7.1M/s
Class
4.1M/s
data attribute
3.3M/s
View exact numbers
Test name
Executions per second
✓
ID
7,079,344 Ops/sec
Class
4,089,317 Ops/sec
data attribute
3,342,505 Ops/sec
HTML Preparation code:
<div class="hello" id="hello" data-hello>Hello</div>
Tests:
Class
document.querySelector('.hello');
ID
document.getElementById('hello');
data attribute
document.querySelector('[data-hello]');