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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
4 months ago
Test name Executions per second
querySelector 2201138.0 Ops/sec
querySelectorAll 999487.8 Ops/sec
getElementsByClassName 2615043.0 Ops/sec
querySelector (ID) 1267420.0 Ops/sec
getElementsByID 1990155.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID