[JS] Local Storage

store.js

/*jshint unused:false */
(function (exports) {
  'use strict';
  var STORAGE_KEY = 'data';
  exports.localStorage = {
    fetch: function () {
      return JSON.parse(localStorage.getItem(STORAGE_KEY) || '[]');
    },
    save: function (data) {
      localStorage.setItem(STORAGE_KEY, JSON.stringify(data));
    }
  };
})(window);