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Run results for:
DataAttribute vs Class Selector vs ID Selector vs Custom Attributes
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<iframe src="https://measurethat.net/Embed?id=576374" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0
Browser:
Firefox 115
Operating system:
Windows 8.1
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
data attribute
2063364.8 Ops/sec
class
3289763.0 Ops/sec
id
3186559.5 Ops/sec
uid
1934561.8 Ops/sec
HTML Preparation code:
<div class="hello" id="hello" data-hello uid="hello">Hello</div>
Tests:
data attribute
document.querySelector('[data-hello]');
class
document.querySelector('.hello');
id
document.querySelector('#hello');
uid
document.querySelector('[uid="hello"]');