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 empty an array in JavaScript? (version: 1)

Based on question on http://stackoverflow.com/questions/1232040/how-do-i-empty-an-array-in-javascript

Comparing performance of: Just instantiate new array vs Set length to zero vs Splice vs Slice vs splice 0

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

  • Just instantiate new array

  • Set length to zero

  • Splice

  • Slice

  • splice 0

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Just instantiate new array
    Set length to zero
    Splice
    Slice
    splice 0

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 2024 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
Chrome 63 on Mac OS X 10.13.1
View result in a separate tab
Test name Executions per second
Just instantiate new array 8189194.0 Ops/sec
Set length to zero 6453392.0 Ops/sec
Splice 2941940.0 Ops/sec
Pop all values 12033160.0 Ops/sec
splice 0 3905243.0 Ops/sec