Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0
Firefox 95
Windows
Desktop
2 years ago
Test name Executions per second
undefined 1506277376.0 Ops/sec
typeof 1458278784.0 Ops/sec
in 1294103552.0 Ops/sec
hasOwnProperty 1484298240.0 Ops/sec
bool 1498619648.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool