Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0
Firefox 120
Ubuntu
Desktop
one year ago
Test name Executions per second
undefined 294378880.0 Ops/sec
typeof 979230016.0 Ops/sec
in 937476224.0 Ops/sec
hasOwnProperty 927002112.0 Ops/sec
bool 912105216.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool