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Run results for:
getElementsByClassName()[0] vs querySelectorAll
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=613087" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
By Class Name
11843396.0 Ops/sec
Query Selector
16520322.0 Ops/sec
HTML Preparation code:
<div class="test"></div>
Tests:
By Class Name
document.getElementsByClassName('test')[0];
Query Selector
document.querySelector('.test');