Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.188
Chrome 115
Windows
Desktop
one year ago
Test name Executions per second
undefined 8096107.5 Ops/sec
typeof 22735266.0 Ops/sec
in 21468504.0 Ops/sec
hasOwnProperty 21270118.0 Ops/sec
bool 22965884.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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