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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 12; SM-G991B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.41 Mobile Safari/537.36
Chrome Mobile 101
Android
Mobile
2 years ago
Test name Executions per second
querySelector 1449746.0 Ops/sec
querySelectorAll 978775.7 Ops/sec
getElementsByClassName 2326955.0 Ops/sec
querySelector (ID) 1191436.0 Ops/sec
getElementsByID 2143939.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID