Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.36 FS
Chrome 88
Windows
Desktop
3 years ago
Test name Executions per second
undefined 2953745.5 Ops/sec
typeof 8291512.5 Ops/sec
in 8088510.0 Ops/sec
hasOwnProperty 7634372.0 Ops/sec
bool 8446866.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


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