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Ensure all elements in array are unique

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Ensures all elements in an array are unique

newArray = myArray.unique();

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  1. Array.prototype.unique = function() {
  2.     var newArray=new Array();
  3.     label:for (var i=0; i < this.length; i++) {  
  4.         for (var j=0; j < newArray.length; j++) {
  5.             if (newArray[j] == this[i]) 
  6.                 continue label;
  7.         }
  8.         newArray[newArray.length] = this[i];
  9.     }
  10.     return newArray;
  11. }

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