Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/109.0
Firefox 109
Ubuntu
Desktop
one year ago
Test name Executions per second
undefined 1755479808.0 Ops/sec
typeof 1815580928.0 Ops/sec
in 1796324864.0 Ops/sec
hasOwnProperty 1790883328.0 Ops/sec
bool 1778715648.0 Ops/sec
Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool


;