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Run results for: FIND SINGLE ELEMENT: querySelector(ID, TagName e Class) vs getElementsByClassName vs getElementsByID vs getElementsByTagName — (getElementsByClassName sem .(ponto))

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36
Chrome 84
Windows
Desktop
3 years ago
Test name Executions per second
querySelector (Class) 3322791.0 Ops/sec
getElementsByClassName 2567780.0 Ops/sec
querySelector (ID) 2381021.0 Ops/sec
getElementsByID 2925576.0 Ops/sec
getElementsByTagName 2450925.0 Ops/sec
querySelector (TagName) 2475596.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector (Class)

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID

  • getElementsByTagName

  • querySelector (TagName)