factoryPrototypeTest.js

const food = {
	init: function(type) {
		this.type = type
	},
	eat: function() {
		console.log('you ate the ' + this.type)
	},
	create: function(type) {
		const o = Object.create(food)
		o.init(type)
		return o
	}
}

const waffle = Object.create(food)
waffle.init('waffle')

const banana = food.create('banana')

console.log('waffle is food?', food.isPrototypeOf(waffle))
console.log('banana is food?', food.isPrototypeOf(banana))
waffle.eat()
banana.eat()