Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:100.0) Gecko/20100101 Firefox/100.0
Firefox 100
Windows
Desktop
2 years ago
Test name Executions per second
undefined 1455057536.0 Ops/sec
typeof 1411627648.0 Ops/sec
in 1423096064.0 Ops/sec
hasOwnProperty 1438460416.0 Ops/sec
bool 1459741056.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool