Filter out duplicates from array and create new array.

filterOutDuplicatesArray.js

// Array
var x = ['x','x','y','q','x'];

var list_no_dupes = function(ogArray) {
 // Filter and return new array
 var newArray = ogArray.filter(function(ele, pos) {
  return ogArray.indexOf(ele) === pos;
 }); 
 return newArray;
};

// Print New Array : ['x','y','q']
console.log(list_no_dupes(x));