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Run results for:
DataAttribute vs Class Selector vs ID Selector vs Tag vs :is()
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=600099" 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
Test name
Executions per second
Class
17131420.0 Ops/sec
ID
7869845.0 Ops/sec
data attribute
7166557.0 Ops/sec
:is(div, span)
3495473.5 Ops/sec
Tag
18950162.0 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]');
:is(div, span)
document.querySelector(':is(div,span)');
Tag
document.querySelector('div');