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Run results for: Array fill method vs for loop__w

Array fill method vs for loop performance validation

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Run details:
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.106 Safari/537.36
Chrome 91
Windows 8.1
Desktop
3 years ago
Test name Executions per second
For Loop fill 984827.4 Ops/sec
Array Fill 949596.9 Ops/sec
Tests:

  • For Loop fill

    AخA
     
    let len = 100;
    let arrayTest = [];
    arrayTest.length = len;
    for (let i = 0; i < len; ++i)arrayTest[i] = true;

  • Array Fill

     
    let arrayTest = new Array(100);
    let len = arrayTest.length;
    for (let i = 0; i < len; ++i)arrayTest[i] = true;