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/121.0.0.0 Safari/537.36
Chrome 121
Windows
Desktop
2 years ago
getElementsByClassName
4.4M/s
getElementsByID
4.0M/s
querySelector
3.5M/s
querySelector (ID)
2.2M/s
querySelectorAll
1.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 4,426,536 Ops/sec
getElementsByID 3,964,320 Ops/sec
querySelector 3,548,920 Ops/sec
querySelector (ID) 2,234,512 Ops/sec
querySelectorAll 1,757,779 Ops/sec
HTML Preparation code:
Tests: