Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36
Chrome 107
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
instanceof 9554441.0 Ops/sec
typeof 27036840.0 Ops/sec
typeof no function 13531330.0 Ops/sec
Object.prototype.toString.call == 9072113.0 Ops/sec
Object.prototype.toString.call === 9048240.0 Ops/sec
Script Preparation code:
Tests:
  • instanceof

  • typeof

  • typeof no function

  • Object.prototype.toString.call ==

  • Object.prototype.toString.call ===