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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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
querySelector 1703583.9 Ops/sec
querySelectorAll 426247.2 Ops/sec
getElementsByClassName 2809258.2 Ops/sec
querySelector (ID) 1868362.8 Ops/sec
getElementsByID 1966028.2 Ops/sec
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID

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