Local Storage Example 1

localStorage_example1.js

function localStack(name){

   var o = new Object();
   o.name = name;

   // initialize index if it doesn't exist
   if(!localStorage[o.name]) localStorage[o.name] = 0;
   
   // push an item onto stack
   o.push = function(data){
      // get next index
      var newKey = o.name+localStorage[o.name].toString();
      // place item in local storage key named with index
      localStorage.setItem(newKey, data);
      localStorage[o.name]++;
   }

   // pop item off of stack
   o.pop = function(){
      // nothing to pop
      if(localStorage[o.name] == 0) return false;
      // get the last key
      var popKey = o.name+localStorage[o.name].toString();
      localStorage[o.name]--;
      // get the last data item inserted
      var data = localStorage.getItem(popKey);
      // remove from local storage
      localStorage.removeItem(popKey);
      return data;
   }

   return o;
}