Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
Chrome 85
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
getElementByID 4821860.5 Ops/sec
getElementsByClassName 5211025.5 Ops/sec
querySelector (ID) 1069004.1 Ops/sec
querySelector (class) 2057007.5 Ops/sec
querySelector (data) 722382.7 Ops/sec
querySelectorAll (class) 42884.8 Ops/sec
querySelectorAll (data) 21729.1 Ops/sec
HTML Preparation code:
Tests:
  • getElementByID

  • getElementsByClassName

  • querySelector (ID)

  • querySelector (class)

  • querySelector (data)

  • querySelectorAll (class)

  • querySelectorAll (data)