Maps vs Arrays

JavaScript performance comparison

Revision 5 of this test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var map = {
    "0": 0,
    "1": 1,
    "2": 2,
    "3": 3,
    "4": 4,
    "5": 5,
    "6": 6,
    "7": 7,
    "8": 8,
    "9": 9
  };
  
  var arr = [0,1,2,3,4,5,6,7,8,9];

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Maps
var rand = Math.floor((Math.random() * 10) + 1);
var match = map[rand] != 'undefined';
pending…
Arrays
var rand = Math.floor((Math.random() * 10) + 1);
var match = arr[rand] != 'undefined';
pending…

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