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

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Chrome 129
Linux
Desktop
one year ago
getElementsByClassName
6.4M/s
querySelector
5.8M/s
getElementsByID
5.5M/s
querySelector (ID)
3.8M/s
querySelectorAll
2.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 6,365,339 Ops/sec
querySelector 5,816,434 Ops/sec
getElementsByID 5,549,354 Ops/sec
querySelector (ID) 3,785,974 Ops/sec
querySelectorAll 2,821,976 Ops/sec
HTML Preparation code:
Tests: