unique_linked_list.js

var LinkedList = function(value) {
  this.value = value;
  this.next = null;  
}



//REturns a unique linked list based on the argument
function uniqueLinkedList(link_list) {
  var uniqueValues = [];
  
  //Iterate through the passed in linked_list  
  while (link_list) {
   if (uniqueValues.indexOf(link_list.value) === -1) {
    uniqueValues.push(link_list.value); 
   }    
   link_list = link_list.next; 
  }
  
  //uniqueVAlues = [3, 1, 2]
  //REcrate a new linkedList based on the values;
  var newLinkedList = new LinkedList();
  var pointer = newLinkedList;
  
    
  while(uniqueValues) {
    var toAdd = uniqueValues.shift();
    if (typeof pointer === undefined) {  //create new one
      
    } else {
      
    
    
    pointer = pointer.next;
  }
  
  
  
  return newLinkedList;
  
  
}