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Run results for:
dataAttribute vs attribute vs Class Selector vs ID Selector
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<iframe src="https://measurethat.net/Embed?id=616131" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0
Browser:
Firefox 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
Class
6052686.0 Ops/sec
ID
6253725.0 Ops/sec
data attribute
5473785.0 Ops/sec
just random attribute
6244633.5 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]');
just random attribute
document.querySelector('[class]');