Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    undefined
    typeof
    in
    hasOwnProperty
    bool

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
Chrome 90 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
undefined 9531777.0 Ops/sec
typeof 27321722.0 Ops/sec
in 27153054.0 Ops/sec
hasOwnProperty 22286436.0 Ops/sec
bool 27295202.0 Ops/sec