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/119.0.0.0 Mobile Safari/537.36
Chrome Mobile 119
Android
Mobile
2 years ago
getElementsByClassName
2.6M/s
querySelector
2.2M/s
getElementsByID
2.0M/s
querySelector (ID)
1.3M/s
querySelectorAll
999K/s
View exact numbers
Test name Executions per second
✓ getElementsByClassName 2,615,042 Ops/sec
querySelector 2,201,138 Ops/sec
getElementsByID 1,990,155 Ops/sec
querySelector (ID) 1,267,420 Ops/sec
querySelectorAll 999,488 Ops/sec
HTML Preparation code:
Tests: