✏ 1-1)

let user = {name: 'MIKE', age: 30};
let {name, age} = user;
//=> let name = user.name;
//=> let age = user.age;

console.log(name); //'MIKE'
console.log(age); //30

✏️ 1-2)

const { name , age } = user;

const user = {
	'name': 'Alex',
	'address': 'Seoul',
	'age': 20,
}