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 key exists: key in object vs !!object[key] vs object[key] (version: 0)

Comparing performance of: key in object vs !!object[key] vs object[key]

Created: 5 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • key in object

  • !!object[key]

  • object[key]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    key in object
    !!object[key]
    object[key]

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 5 years ago)
Mozilla/5.0 (Linux; Android 8.0.0; SM-G950U1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36
Chrome Mobile 70 on Android 8.0.0
View result in a separate tab
Test name Executions per second
key in object 1965422.0 Ops/sec
!!object[key] 2447304.0 Ops/sec
object[key] 2450138.0 Ops/sec