Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36
Chrome 80
Mac OS X 10.15.3
Desktop
4 years ago
Test name Executions per second
isFunction 5875243.5 Ops/sec
typeof function 785777344.0 Ops/sec
instanceof 6264246.5 Ops/sec
HTML Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof