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 Array.from() vs new Array() vs [..Array()] (version: 0)

Testing the difference between creating filled arrays.

Comparing performance of: new Array() vs Array.from() vs [...Array()]

Created: one year ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • new Array()

  • Array.from()

  • [...Array()]

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    new Array()
    Array.from()
    [...Array()]

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 7 months ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
Chrome 117 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
new Array() 221783.1 Ops/sec
Array.from() 69406.6 Ops/sec
[...Array()] 204315.4 Ops/sec