Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36
Chrome 67
Mac OS X 10.13.4
Desktop
6 years ago
Test name Executions per second
isFunction 3912422.5 Ops/sec
typeof function 699076288.0 Ops/sec
instanceof 4010904.8 Ops/sec
HTML Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof