Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Safari/605.1.15
Safari 13
Mac OS X 10.14.6
Desktop
5 years ago
Test name Executions per second
isFunction 4166953.2 Ops/sec
typeof function 44901732.0 Ops/sec
instanceof 5041849.5 Ops/sec
HTML Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof