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Run results for: Switch vs Object Literal Performance Check case 40

Comparing performance of: Switch vs Object Literal

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Chrome 103
Linux
Desktop
2 years ago
Test name Executions per second
switch case 147454.8 Ops/sec
object literal 146470.9 Ops/sec
Script Preparation code:
AخA
 
var str = Math.floor(Math.random() * 40) + 1
Tests:

  • switch case

     
    switch (str) {
      case 1:
        console.log('A');
        break;
      case 2:
        console.log('B');
        break;
      case 3:
        console.log('C');
        break;
      case 4:
        console.log('C');
        break;
      case 5:
        console.log('A');
        break;
      case 6:
        console.log('B');
        break;
      case 7:
        console.log('C');
        break;
      case 8:
        console.log('C');
        break;
      case 9:
        console.log('A');
        break;
      case 10:
        console.log('B');
        break;
      case 11:
        console.log('C');
        break;
      case 12:
        console.log('C');
        break;
      case 13:
        console.log('C');
        break;
      case 14:
        console.log('C');
        break;
      case 15:
        console.log('A');
        break;
      case 16:
        console.log('B');
        break;
      case 17:
        console.log('C');
        break;
      case 18:
        console.log('C');
        break;
      case 19:
        console.log('A');
        break;
      case 20:
        console.log('B');
        break;
      case 21:
        console.log('C');
        break;
      case 22:
        console.log('C');
        break;
      case 23:
        console.log('A');
        break;
      case 24:
        console.log('B');
        break;
      case 25:
        console.log('C');
        break;
      case 26:
        console.log('C');
        break;
      case 27:
        console.log('A');
        break;
      case 28:
        console.log('B');
        break;
      case 29:
        console.log('C');
        break;
      case 30:
        console.log('C');
        break;
      case 31:
        console.log('C');
        break;
      case 32:
        console.log('C');
        break;
      case 33:
        console.log('A');
        break;
      case 34:
        console.log('B');
        break;
      case 35:
        console.log('C');
        break;
      case 36:
        console.log('C');
        break;
      case 37:
        console.log('A');
        break;
      case 38:
        console.log('B');
        break;
      case 39:
        console.log('C');
        break;
      case 40:
        console.log('C');
        break;
    }

  • object literal

    ​x
     
    var objLiteral = {
      1: function () {
        console.log('A');
      },
      2: function () {
        console.log('B');
      },
      3: function () {
        console.log('C');
      },
      4: function () {
        console.log('A');
      },
      5: function () {
        console.log('B');
      },
      6: function () {
        console.log('C');
      },
      7: function () {
        console.log('A');
      },
      8: function () {
        console.log('B');
      },
      9: function () {
        console.log('C');
      },
      10: function () {
        console.log('C');
      },
      11: function () {
        console.log('C');
      },
      12: function () {
        console.log('C');
      },
      13: function () {
        console.log('C');
      },
      14: function () {
        console.log('C');
      },
      15: function () {
        console.log('C');
      },
      16: function () {
        console.log('C');
      },
      17: function () {
        console.log('C');
      },
      18: function () {
        console.log('C');
      },
      19: function () {
        console.log('C');
      },
      20: function () {
        console.log('C');
      },
        21: function () {
        console.log('C');
      },
        22: function () {
        console.log('C');
      },
        23: function () {
        console.log('C');
      },
        24: function () {
        console.log('C');
      },
        25: function () {
        console.log('C');
      },
        26: function () {
        console.log('C');
      },
        27: function () {
        console.log('C');
      },
        28: function () {
        console.log('C');
      },
        29: function () {
        console.log('C');
      },
        30: function () {
        console.log('C');
      },
        31: function () {
        console.log('C');
      },
        32: function () {
        console.log('C');
      },
        33: function () {
        console.log('C');
      },
        34: function () {
        console.log('C');
      },
        35: function () {
        console.log('C');
      },
        36: function () {
        console.log('C');
      },
        37: function () {
        console.log('C');
      },
        38: function () {
        console.log('C');
      },
        39: function () {
        console.log('C');
      },
        40: function () {
        console.log('C');
      },
    };
    ​
    objLiteral[str]();