MeasureThat.net

Run results for: Array.from({ length: n }) vs new Array(n)

Testing the difference between creating filled arrays.

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Chrome 130
Mac OS X 10.15.7
Desktop
5 months ago
Test name Executions per second
new Array() 6366132.5 Ops/sec
Array.from() 99618.4 Ops/sec
Tests:

  • new Array()

    AخA
     
    new Array(500)

  • Array.from()

     
    Array.from({ length: 500 })