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/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
one year ago
getElementsByClassName
2.7M/s
getElementsByID
2.6M/s
querySelector
2.2M/s
querySelector (ID)
1.5M/s
querySelectorAll
1.2M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 2,709,406 Ops/sec
getElementsByID 2,638,466 Ops/sec
querySelector 2,243,468 Ops/sec
querySelector (ID) 1,494,860 Ops/sec
querySelectorAll 1,195,721 Ops/sec
HTML Preparation code:
Tests: