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Run results for: map speed

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4695.0 Safari/537.36
Chrome 100
Windows
Desktop
3 years ago
Test name Executions per second
native map 2620452.2 Ops/sec
costume 1973729.5 Ops/sec
Tests:

  • native map

    AخA
     
    let arr = [1,3,5,7,9,2,4,6,8,0];
    let native = arr.map(item => item*2+3);

  • costume

    ​x
     
    let arr = [1,3,5,7,9,2,4,6,8,0];
    let i=0, len=arr.length, out=new Array(len);
    ​
        for (; i < len; i++) {
            out[i] = arr[i]*2+3;
        }