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
querySelector (class) 3993458.8 Ops/sec
querySelectorAll (class) 1464930.4 Ops/sec
getElementsByClassName 4802054.0 Ops/sec
querySelector (ID) 2743987.5 Ops/sec
getElementsByID 3710779.8 Ops/sec
querySelector (data) 2215748.5 Ops/sec
querySelectorAll (data) 944819.8 Ops/sec
HTML Preparation code:
Tests:
  • getElementByID

  • getElementsByClassName

  • querySelector (ID)

  • querySelector (class)

  • querySelector (data)

  • querySelectorAll (class)

  • querySelectorAll (data)