Remove Duplicates

remove-duplicates.js

(function() {
  function removeDuplicates(list) {
  var found = {};
  var result = [];
  var len = list.length;
  var j = 0;
  for (var i = 0; i < len; i++) {
    var item = list[i];
    if (found[item] !== 1) {
      found[item] = 1;
      result[j++] = item;
    }
  }
    return result;
  }
  
  window.fastRemoveDuplicates = removeDuplicates;
  
})(window)