Run details:
Mozilla/5.0 (Android 12; Mobile; rv:96.0) Gecko/96.0 Firefox/96.0
Firefox Mobile 96
Android
Mobile
2 years ago
Test name Executions per second
undefined 540453376.0 Ops/sec
typeof 541038208.0 Ops/sec
in 540491456.0 Ops/sec
hasOwnProperty 541021056.0 Ops/sec
bool 541962176.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool