Script Preparation code:
Tests:
  • undefined

  • typeof

  • in

  • hasOwnProperty

  • bool

  • again

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

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

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
IE 11 on Windows
View result in a separate tab
Test name Executions per second
undefined 12565050.0 Ops/sec
typeof 19883030.0 Ops/sec
in 19050870.0 Ops/sec
hasOwnProperty 17159600.0 Ops/sec
bool 75355140.0 Ops/sec
again 12572690.0 Ops/sec