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Run results for:
querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID Corrected
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
getElementsByID
2.3M/s
getElementsByClassName
2.1M/s
querySelector
1.6M/s
querySelector (ID)
851K/s
querySelectorAll
827K/s
View exact numbers
Test name
Executions per second
✓
getElementsByID
2,294,830 Ops/sec
getElementsByClassName
2,108,748 Ops/sec
querySelector
1,572,371 Ops/sec
querySelector (ID)
851,328 Ops/sec
querySelectorAll
826,958 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")