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/119.0.0.0 Safari/537.36
Chrome 119
Linux
Desktop
2 years ago
getElementsByClassName
5.5M/s
getElementsByID
5.1M/s
querySelector
4.3M/s
querySelector (ID)
2.7M/s
querySelectorAll
1.9M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 5,471,932 Ops/sec
getElementsByID 5,052,002 Ops/sec
querySelector 4,255,824 Ops/sec
querySelector (ID) 2,728,111 Ops/sec
querySelectorAll 1,866,607 Ops/sec
HTML Preparation code:
Tests: