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Run results for: Set array to [] vs splice

Set array to [] vs splice

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.82 Safari/537.36
Chrome 98
Windows
Desktop
3 years ago
Test name Executions per second
Set array to [] 29330.6 Ops/sec
Splice array 27058.2 Ops/sec
Tests:

  • Set array to []

    ​x
     
    var size = 10000;
    var arr2 = [];
    for (var i = 0; i < size; i++){
      arr2.push(i);
    }
    ​
    arr2 = [];

  • Splice array

     
    var size = 10000;
    var arr3 = [];
    for (var i = 0; i < size; i++){
      arr3.push(i);
    }
    ​
    arr3.splice(0);