Run results for: DataAttribute vs Class Selector vs ID Selector vs Custom Attributes

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

Benchmark engine: Benchmark.js

class

4.1M/s

data attribute

3.6M/s

uid

3.5M/s

View exact numbers

HTML Preparation code:

<div class="hello" id="hello" data-hello uid="hello">Hello</div>

Tests: