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
5.7M/s
querySelector
5.0M/s
getElementsByID
4.5M/s
querySelector (ID)
3.5M/s
querySelectorAll
2.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 5,713,252 Ops/sec
querySelector 4,972,604 Ops/sec
getElementsByID 4,455,631 Ops/sec
querySelector (ID) 3,508,742 Ops/sec
querySelectorAll 2,653,962 Ops/sec
HTML Preparation code:
Tests: