Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    undefined
    typeof
    in
    hasOwnProperty

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 5 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 Safari/537.36
Chrome 55 on Mac OS X 10.12.3
View result in a separate tab
Test name Executions per second
undefined 3805574.0 Ops/sec
typeof 11995690.0 Ops/sec
in 11318010.0 Ops/sec
hasOwnProperty 11418500.0 Ops/sec