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Run results for:
querySelector() vs getElementsByClassName()[0]
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
querySelector
2826673.2 Ops/sec
getElementsByClassName
2570897.0 Ops/sec
HTML Preparation code:
<div class="test"></div>
Tests:
querySelector
document.querySelector(".test");
getElementsByClassName
document.getElementsByClassName("test")[0];