Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36
Chrome 99
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
isFunction 4070135.5 Ops/sec
typeof function 9285139.0 Ops/sec
instanceof 4264210.0 Ops/sec
wrapped typeof function (like optimized _.isFunction) 4562804.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof

  • wrapped typeof function (like optimized _.isFunction)