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/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
2 years ago
getElementsByClassName
10.1M/s
getElementsByID
9.8M/s
querySelector
7.6M/s
querySelector (ID)
5.5M/s
querySelectorAll
3.3M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 10,138,225 Ops/sec
getElementsByID 9,775,568 Ops/sec
querySelector 7,633,516 Ops/sec
querySelector (ID) 5,539,668 Ops/sec
querySelectorAll 3,319,084 Ops/sec
HTML Preparation code:
Tests: