Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:74.0) Gecko/20100101 Firefox/74.0
Firefox 74
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
isFunction 38371380.0 Ops/sec
typeof function 1262458880.0 Ops/sec
instanceof 190718656.0 Ops/sec
HTML Preparation code:
Tests:
  • isFunction

  • typeof function

  • instanceof