Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0
Firefox 118
Windows
Desktop
one year ago
Test name Executions per second
undefined 377752768.0 Ops/sec
typeof 368097920.0 Ops/sec
in 336255232.0 Ops/sec
hasOwnProperty 318521280.0 Ops/sec
bool 372464224.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool