Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
getElementsByID
65.6M/s
getElementsByClassName
53.1M/s
querySelectorAll
16.8M/s
querySelector
9.8M/s
querySelector (ID)
9.5M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 65,551,844 Ops/sec
getElementsByClassName 53,123,484 Ops/sec
querySelectorAll 16,770,146 Ops/sec
querySelector 9,768,301 Ops/sec
querySelector (ID) 9,523,512 Ops/sec
HTML Preparation code:
Tests: