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
6.0M/s
getElementsByID
5.4M/s
querySelector
4.6M/s
querySelector (ID)
2.7M/s
querySelectorAll
2.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 5,996,553 Ops/sec
getElementsByID 5,389,218 Ops/sec
querySelector 4,554,652 Ops/sec
querySelector (ID) 2,733,803 Ops/sec
querySelectorAll 2,225,956 Ops/sec
HTML Preparation code:
Tests: