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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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
one month ago
Test name Executions per second
querySelector 3779670.8 Ops/sec
querySelectorAll 2214627.8 Ops/sec
getElementsByClassName 4345130.5 Ops/sec
querySelector (ID) 3562822.5 Ops/sec
getElementsByID 4347012.5 Ops/sec
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID

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