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Run results for:
querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID
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<iframe src="https://measurethat.net/Embed?id=597771" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
querySelector
19193338.0 Ops/sec
querySelectorAll
6439661.0 Ops/sec
getElementsByClassName
37191108.0 Ops/sec
querySelector (ID)
8638648.0 Ops/sec
getElementsByID
26794146.0 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")