Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36 Edg/90.0.818.46
Chrome 90
Windows
Desktop
3 years ago
Test name Executions per second
undefined 2730632.2 Ops/sec
typeof 6656702.0 Ops/sec
in 6302683.0 Ops/sec
hasOwnProperty 5850640.5 Ops/sec
bool 6137165.5 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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