Tests:
  • Array.apply(null, Array(n))

  • [...Array(n)]

  • Array(n).fill(null)

  • Array.from({ length: n })

  • Array.from({ length:n }, (item, i) => i)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.apply(null, Array(n))
    [...Array(n)]
    Array(n).fill(null)
    Array.from({ length: n })
    Array.from({ length:n }, (item, i) => i)

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 2 months ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122 on Windows
View result in a separate tab
Test name Executions per second
Array.apply(null, Array(n)) 10262.1 Ops/sec
[...Array(n)] 10559.2 Ops/sec
Array(n).fill(null) 10088.3 Ops/sec
Array.from({ length: n }) 7899.3 Ops/sec
Array.from({ length:n }, (item, i) => i) 7284.9 Ops/sec