numberVar !== undefined VS typeof numberVar === number (version: 1)

Comparing performance of: numberVar !== undefined vs typeof numberVar === number

Created: 10 months ago by: Guest
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HTML Preparation code:
Tests:

  • numberVar !== undefined

  • typeof numberVar === number

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    numberVar !== undefined
    typeof numberVar === number

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 10 months ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Chrome 137 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
numberVar !== undefined 157946464.0 Ops/sec
typeof numberVar === number 165794208.0 Ops/sec
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