Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
one year ago
getElementsByClassName
15.8M/s
getElementsByID
15.6M/s
querySelector
12.8M/s
querySelector (ID)
5.6M/s
querySelectorAll
3.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 15,822,874 Ops/sec
getElementsByID 15,560,955 Ops/sec
querySelector 12,811,321 Ops/sec
querySelector (ID) 5,614,906 Ops/sec
querySelectorAll 3,864,336 Ops/sec
HTML Preparation code:
Tests: