Object

deep-copy.js

function deepCopy(oldObject) {
  var temp = JSON.stringify(oldObject);
  var newObject = JSON.parse(temp);
  return newObject;
}

var employee1 = {
	'name': 'Tony',
	'age': 27,
	'hobby': ['meditation','swimming','running'],
	'address': {
		'street': '330 Old SanFrancisco Rd',
		'city': 'Sunnyvale',
		'Zipcode': 46086
	}
};

var employee2 = deepCopy(employee1);
console.log(employee2);

// verify the newly created object
employee2.name = 'Ryan';
console.log(employee1.name);
console.log(employee2.name);