Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.113 Safari/537.36
Chrome 81
Windows 7
Desktop
4 years ago
Test name Executions per second
querySelectorAll 147958.0 Ops/sec
getElementsByTagName 87958.6 Ops/sec
getElementsByTagName ArrayFrom 87384.4 Ops/sec
getElementsByTagName ForLoop 135925.4 Ops/sec
getElementsByTagName ArrayFilterForEach 95395.5 Ops/sec
getElementsByTagName ArrayFilterMap 93459.4 Ops/sec
HTML Preparation code:
Tests:
  • querySelectorAll

  • getElementsByTagName

  • getElementsByTagName ArrayFrom

  • getElementsByTagName ForLoop

  • getElementsByTagName ArrayFilterForEach

  • getElementsByTagName ArrayFilterMap