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

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/150.2 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.7
Mobile
3 months ago
getElementsByID
43.6M/s
getElementsByClassName
27.8M/s
querySelectorAll
12.3M/s
querySelector
6.9M/s
querySelector (ID)
5.4M/s
View exact numbers
Test name Executions per second
✓ getElementsByID 43,578,904 Ops/sec
getElementsByClassName 27,848,156 Ops/sec
querySelectorAll 12,300,235 Ops/sec
querySelector 6,915,584 Ops/sec
querySelector (ID) 5,418,522 Ops/sec
HTML Preparation code:
Tests: