Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Chrome 85
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
querySelectorAll 218782.9 Ops/sec
getElementsByTagName 146652.0 Ops/sec
getElementsByTagName ArrayFrom 140594.4 Ops/sec
getElementsByTagName ForLoop 207144.1 Ops/sec
getElementsByTagName ArrayFilterForEach 150873.5 Ops/sec
getElementsByTagName ArrayFilterMap 150924.6 Ops/sec
HTML Preparation code:
Tests:
  • querySelectorAll

  • getElementsByTagName

  • getElementsByTagName ArrayFrom

  • getElementsByTagName ForLoop

  • getElementsByTagName ArrayFilterForEach

  • getElementsByTagName ArrayFilterMap