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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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 YaBrowser/21.11.3.953 Yowser/2.5 Safari/537.36
Yandex Browser 21
Linux
Desktop
one year ago
Test name Executions per second
querySelector 2068130.0 Ops/sec
querySelectorAll 586264.6 Ops/sec
getElementsByClassName 2549620.0 Ops/sec
querySelector (ID) 1214405.0 Ops/sec
getElementsByID 1671113.0 Ops/sec
Website performance monitoring
HTML Preparation code:
Tests:

  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID