// defined by {} , can take in properties

let example1 = {

firstName: 'Dylan', // firstName is key, 'Dylan' is value

lastName: 'Israel',

address: {

city: 'Austin',

state: 'Texas'

},

age: 30,

cats: ['Milo', 'Tito', 'Achieles']

};

console.log(example1.firstName); // produce first name

console.log(example1.address.city);

example.age (example1.age);

// > 31

// if we want all the keys

console.log(Object.keys(example1));

// > ["firstName", "lastName", "address", "age", "cats"]

// if we want values as well

console.log(Object.values(example1));

// > ["Dylan", "Israel", {city: "Austin", state: "Texas"}, 31, ["Milo", "Tito", "Achieles"]]

// if we want to ask for a certain key

console.log(example1.hasOwnProperty('firstName2'));

// > false as it does now exist.

// ===================================== CHALLENGE ============================================

let example1 = {

firstName: 'Dylan'

};

let example2 = Object.assign({}, example1);

example2.lastName = 'Israel'; // instantiating a new object.

console.log(example1);

console.log(example2);