Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
Firefox 65
Windows
Desktop
5 years ago
Test name Executions per second
undefined 84634976.0 Ops/sec
typeof 159320000.0 Ops/sec
in 118720776.0 Ops/sec
hasOwnProperty 116892856.0 Ops/sec
bool 153115600.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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