Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36
Chrome 68
Mac OS X 10.13.5
Desktop
6 years ago
Test name Executions per second
undefined 3957460.8 Ops/sec
typeof 14390792.0 Ops/sec
in 13306441.0 Ops/sec
hasOwnProperty 12917148.0 Ops/sec
bool 14350114.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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