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Run results for:
Class vs Attribute selector modern
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624718" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Browser:
Chrome 144
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
3 months ago
Test name
Executions per second
Class selector
12641001.0 Ops/sec
Attribute selector
5250384.0 Ops/sec
HTML Preparation code:
<input type="text" class="search" data-search-input/> <div class="results" data-results> <div class="element" data-result-element>Hello</div> <div class="element" data-result-element>World</div> <div class="element" data-result-element>Everyone</div> </div>
Tests:
Class selector
let list = document.querySelector('.results'); let list_item = document.querySelector('.element'); let input = document.querySelector('.search');
Attribute selector
let list = document.querySelector('[class="results"]'); let list_item = document.querySelector('[class="element"]'); let input = document.querySelector('[class="search"]');