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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 (iPad; CPU OS 15_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/108.0.5359.112 Mobile/15E148 Safari/604.1
Chrome Mobile iOS 108
iOS 15.3
Tablet
one year ago
Test name Executions per second
querySelector 3947185.0 Ops/sec
querySelectorAll 2647152.0 Ops/sec
getElementsByClassName 4575068.0 Ops/sec
querySelector (ID) 3376297.0 Ops/sec
getElementsByID 4521845.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID