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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/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Chrome 102
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
querySelector 4471563.0 Ops/sec
querySelectorAll 1936803.0 Ops/sec
getElementsByClassName 5248793.0 Ops/sec
querySelector (ID) 3193960.0 Ops/sec
getElementsByID 4344486.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID