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Run results for:
DataAttribute vs Class Selector vs ID Selector
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36 Edg/134.0.0.0
Browser:
Chrome 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Class
9.3M/s
ID
4.0M/s
data attribute
3.7M/s
View exact numbers
Test name
Executions per second
✓
Class
9,294,443 Ops/sec
ID
4,012,194 Ops/sec
data attribute
3,687,465 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]');