Javascript Shallow & Deep Copy

js-shallow-deep-copy. js

const combo_meal = {
	rice: 1,
	fried_chicken: 1,
	drink: 1
};

let order1 = combo_meal;
// order1.drink = 0;

let order2 = {...combo_meal};
order2.drink = 0;

console.log("menu:", combo_meal);
console.log("order:", order2);