Script Preparation code:
AخA
 
var mapfn = (_, index) => {
    return index * 2 % 10;
}
Tests:
  • new Array()

     
    new Array(500).fill(500).map(mapfn)
  • Array.from()

     
    Array.from({ length: 500 }, mapfn)
  • [...Array()]

     
    [...Array(500)].map(mapfn)
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

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

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Windows
View result in a separate tab
Test name Executions per second
new Array() 226192.2 Ops/sec
Array.from() 59619.7 Ops/sec
[...Array()] 222028.4 Ops/sec