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 empty arrays (version: 0)

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 Pop all values

Created: 2 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • Just instantiate new array

  • Set length to zero

  • Splice

  • Pop all values

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
    Pop all values

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 2 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36
Chrome 96 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Just instantiate new array 12656490.0 Ops/sec
Set length to zero 9843802.0 Ops/sec
Splice 6935257.0 Ops/sec
Pop all values 16758350.0 Ops/sec