Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0
Firefox 93
Windows
Desktop
3 years ago
Test name Executions per second
undefined 963006336.0 Ops/sec
typeof 1033610816.0 Ops/sec
in 622943488.0 Ops/sec
hasOwnProperty 794348288.0 Ops/sec
bool 963209600.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool