Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Chrome 79
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
undefined 5084096.5 Ops/sec
typeof 15373124.0 Ops/sec
in 15465537.0 Ops/sec
hasOwnProperty 13707922.0 Ops/sec
bool 15483486.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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