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Run results for:
querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=628613" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/150.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.7
Device Platform:
Mobile
Date tested:
one month ago
Test name
Executions per second
querySelector
6915583.5 Ops/sec
querySelectorAll
12300235.0 Ops/sec
getElementsByClassName
27848156.0 Ops/sec
querySelector (ID)
5418522.0 Ops/sec
getElementsByID
43578904.0 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")