5-32-methods.js

let restaurant = {
	name: 'ASB',
	guestCapacity: 75,
	guestCount: 0,
	checkAvailability: function (partySize) {
		let seatsLeft = this.guestCapacity - this.guestCount;
		return partySize <= seatsLeft;
	},
	seatParty: function (guests) {
		return this.guestCount += guests; 
	},
	removeParty: function (guests) {
		return this.guestCount -= guests;
	}
}

//add method seatParty
//add method removeParty


restaurant.seatParty(72);
console.log(restaurant.checkAvailability(4));
restaurant.removeParty(5);
console.log(restaurant.checkAvailability(4));