Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0
Firefox 102
Windows
Desktop
one year ago
Test name Executions per second
undefined 930297500.0 Ops/sec
typeof 933996200.0 Ops/sec
in 931839900.0 Ops/sec
hasOwnProperty 941991700.0 Ops/sec
bool 931890400.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool