Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36
Chrome 87
Windows 7
Desktop
3 years ago
Test name Executions per second
querySelector 1545928.0 Ops/sec
querySelectorAll 631981.7 Ops/sec
getElementsByClassName 1813760.0 Ops/sec
querySelector (ID) 1025135.0 Ops/sec
getElementsByID 1425055.0 Ops/sec
HTML Preparation code:
Tests:
  • querySelector

  • querySelectorAll

  • getElementsByClassName

  • querySelector (ID)

  • getElementsByID