Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Chrome 93
Linux
Desktop
2 years ago
Test name Executions per second
undefined 5782784.0 Ops/sec
typeof 17605986.0 Ops/sec
in 17314090.0 Ops/sec
hasOwnProperty 15629816.0 Ops/sec
bool 17388562.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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