Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
isFunction 3433572.8 Ops/sec
typeof function 6970256.0 Ops/sec
instanceof 3556546.2 Ops/sec
wrapped typeof function (like optimized _.isFunction) 3778209.8 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof

  • wrapped typeof function (like optimized _.isFunction)