MeasureThat.net

Run results for: Array constructor vs literal performance - 100000 itemslljkjlkjkjlkjjlj

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Windows
Desktop
8 days ago
Test name Executions per second
Array constructor - 100000 items 72.8 Ops/sec
Array literal (assign by index) - 100000 items 90.2 Ops/sec
Script Preparation code:
AخA
 
var n = 100000;
Tests:

  • Array constructor - 100000 items

    ​x
     
    var arr = new Array(n);
    ​
    for (var i = 0; i < n; i++) {
      arr[i] = new Array();
    }

  • Array literal (assign by index) - 100000 items

     
    var arr = [];
    ​
    for (var i = 0; i < n; i++) {
      arr[i] = [];
    }