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Run results for:
querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID vs getElementsByTagName
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<iframe src="https://measurethat.net/Embed?id=503206" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
querySelector
3834753.5 Ops/sec
querySelectorAll
1805169.2 Ops/sec
getElementsByClassName
4817523.5 Ops/sec
querySelector (ID)
2266917.8 Ops/sec
getElementsByID
4280555.0 Ops/sec
getElementsByTagName
5069459.0 Ops/sec
HTML Preparation code:
<div class="test" id="test"></div>
Tests:
querySelector
document.querySelector(".test")
querySelectorAll
document.querySelectorAll(".test")
getElementsByClassName
document.getElementsByClassName(".test")
querySelector (ID)
document.querySelector("#test")
getElementsByID
document.getElementById("test")
getElementsByTagName
document.getElementsByTagName('div');