Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0
Chrome 129
Windows
Desktop
2 months ago
Test name Executions per second
isFunction 7316698.0 Ops/sec
typeof function 13082621.0 Ops/sec
instanceof 7474352.5 Ops/sec
wrapped typeof function (like optimized _.isFunction) 6868284.5 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof

  • wrapped typeof function (like optimized _.isFunction)