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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/120.0.0.0 Mobile Safari/537.36
Chrome Mobile 120
Android
Mobile
3 months ago
Test name Executions per second
querySelector 511602.2 Ops/sec
querySelectorAll 248061.0 Ops/sec
getElementsByClassName 617956.5 Ops/sec
querySelector (ID) 367048.1 Ops/sec
getElementsByID 477459.3 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID