In localStorage object data code example
Example 1: javascript store object in local storage
var person = { "name": "billy", "age": 23};
localStorage.setItem('person', JSON.stringify(person)); //stringify object and store
var retrievedPerson = JSON.parse(localStorage.getItem('person')); //retrieve the object
Example 2: save to local storage
localStorage.setItem('myCat', 'Tom');
var cat = localStorage.getItem('myCat');
localStorage.removeItem('myCat');
// Clear all items
localStorage.clear();