Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36
Chrome 70
Mac OS X 10.14.1
Desktop
6 years ago
Test name Executions per second
isFunction 5886084.0 Ops/sec
typeof function 808839296.0 Ops/sec
instanceof 6231236.5 Ops/sec
HTML Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof