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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-T976B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.104 Safari/537.36
Chrome 96
Android
Tablet
2 years ago
Test name Executions per second
querySelector 2629816.0 Ops/sec
querySelectorAll 1156572.0 Ops/sec
getElementsByClassName 3614882.0 Ops/sec
querySelector (ID) 1811099.0 Ops/sec
getElementsByID 2888324.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID