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Run results for: querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID — (getElementsByClassName sem .(ponto))

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36 OPR/60.0.3255.170
Opera 60
Linux
Desktop
4 years ago
Test name Executions per second
querySelector 1925199.0 Ops/sec
querySelectorAll 560745.7 Ops/sec
getElementsByClassName 2106540.0 Ops/sec
querySelector (ID) 1283752.0 Ops/sec
getElementsByID 2307366.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID