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 Testing for false vs === undefined vs hasOwnProperty for undefined member (version: 0)

Is there a performance benefit to replacing === undefined with a logical test?

Comparing performance of: test truthyness vs test undefined vs test hasOwnProperty

Created: 6 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • test truthyness

  • test undefined

  • test hasOwnProperty

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    test truthyness
    test undefined
    test hasOwnProperty

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 6 years ago)
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
IE 11 on Windows 7
View result in a separate tab
Test name Executions per second
test truthyness 16524800.0 Ops/sec
test undefined 9385663.0 Ops/sec
test hasOwnProperty 14245660.0 Ops/sec