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/129.0.0.0 Safari/537.36
Chrome 129
Windows
Desktop
one year ago
getElementsByClassName
2.2M/s
getElementsByID
2.2M/s
querySelector
2.1M/s
querySelector (ID)
1.4M/s
querySelectorAll
1.0M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 2,203,901 Ops/sec
getElementsByID 2,192,948 Ops/sec
querySelector 2,052,495 Ops/sec
querySelector (ID) 1,389,441 Ops/sec
querySelectorAll 1,002,662 Ops/sec
HTML Preparation code:
Tests: