Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36
Chrome 81
Mac OS X 10.15.4
Desktop
4 years ago
Test name Executions per second
querySelectorAll 217345.1 Ops/sec
getElementsByTagName 240762.1 Ops/sec
getElementsByTagName ArrayFrom 249828.1 Ops/sec
getElementsByTagName ForLoop 852788.4 Ops/sec
getElementsByTagName ArrayFilterForEach 190186.9 Ops/sec
getElementsByTagName ArrayFilterMap 189089.1 Ops/sec
HTML Preparation code:
Tests:
  • querySelectorAll

  • getElementsByTagName

  • getElementsByTagName ArrayFrom

  • getElementsByTagName ForLoop

  • getElementsByTagName ArrayFilterForEach

  • getElementsByTagName ArrayFilterMap