how to read write object to localStorage in js
var testObject = { 'one': 1, 'two': 2, 'three': 3 };
// Put the object into storage
localStorage.setItem('testObject', JSON.stringify(testObject));
// Retrieve the object from storage
var retrievedObject = JSON.parse(localStorage.getItem('testObject'));
console.log('retrievedObject: ', retrievedObject);