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

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Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Mobile Safari/537.36
Chrome Mobile 123
Android
Mobile
2 years ago
getElementsByClassName
4.3M/s
getElementsByID
3.8M/s
querySelector
3.7M/s
querySelector (ID)
2.8M/s
querySelectorAll
1.7M/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 4,339,270 Ops/sec
getElementsByID 3,753,038 Ops/sec
querySelector 3,687,846 Ops/sec
querySelector (ID) 2,809,028 Ops/sec
querySelectorAll 1,727,450 Ops/sec
HTML Preparation code:
Tests: