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
6.2M/s
getElementsByID
6.1M/s
querySelector
5.5M/s
querySelector (ID)
3.7M/s
querySelectorAll
2.8M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 6,192,466 Ops/sec
getElementsByID 6,135,148 Ops/sec
querySelector 5,490,674 Ops/sec
querySelector (ID) 3,670,928 Ops/sec
querySelectorAll 2,780,508 Ops/sec
HTML Preparation code:
Tests: