Remove Duplicate Array Tests

JavaScript performance comparison

Revision 7 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js">
</script>
 
<script>
Benchmark.prototype.setup = function() {
    var array = {
        "sample": {
            "0": "sample1",
            "1": "sample1",
            "2": "sample1",
            "3": "sample2",
            "4": "sample2",
            "5": "sample2",
            "6": "sample2"
        },
        "sample1": {
            "0": "sample1",
            "1": "sample1",
            "2": "sample1",
            "3": "sample2",
            "4": "sample2",
            "5": "sample2",
            "6": "sample2"
        },
        "sample2": {
            "0": "sample1",
            "1": "sample1",
            "2": "sample1",
            "3": "sample2",
            "4": "sample2",
            "5": "sample2",
            "6": "sample2"
        }
    }
   
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
Using each method
  var temp = [];
  $.each(array, function(i, el) {
    if ($.inArray(el, temp) === -1) temp.push(el);
  });
  return temp;
pending…
Using for method #1
temp = {};
for (var i = 0; i < array.length; i++) {
temp[a[i]] = array[i];
}
c = [];
for (var key in temp) {
    c.push(key);
}
return c;
pending…
Using for method #2
  var temp = {};
  for (var i = 0; i < array.length; i++)
  temp[array[i]] = true;
  var r = [];
  for (var k in temp)
  r.push(k);
  return r;
pending…
Using for method #3
var temp = [];
for(var i = 0; i < array.length; i++) {
    temp[i] = array[i];
}
for(var i = 0; i < array.length; i++) {
    if(temp[i] === temp[i-1]) {
        temp.splice(i--, 1);
    }
}
return temp;
pending…

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