set obj to the localstorage code example
Example 1: Storing Objects in HTML5 localStorage
var testObject = { 'one': 1, 'two': 2, 'three': 3 };
localStorage.setItem('testObject', JSON.stringify(testObject));
var retrievedObject = localStorage.getItem('testObject');
console.log('retrievedObject: ', JSON.parse(retrievedObject));
Example 2: how to store objects in localstorage
var testObject = { 'one': 1, 'two': 2, 'three': 3 };
localStorage.setItem('testObject', JSON.stringify(testObject));
var retrievedObject = localStorage.getItem('testObject');
console.log('retrievedObject: ', JSON.parse(retrievedObject));