SOURCE

var Coffee = function(){

		}

		Coffee.prototype.boilWater = function(){
			console.log("把水煮沸")
		}

		Coffee.prototype.brewCoffeeGriends = function(){
			console.log("用沸水冲泡咖啡")
		}

		Coffee.prototype.pourInCup = function(){
			console.log("把咖啡倒进杯子")
		}

		Coffee.prototype.addSugarAndMilk = function(){
			console.log("加糖和牛奶")
		}

		Coffee.prototype.init = function(){
			this.boilWater();
			this.brewCoffeeGriends();
			this.pourInCup();
			this.addSugarAndMilk();
		}

		var coffee = new Coffee()
		coffee.init()


		var Tea = function(){

		}

		Tea.prototype.boilWater = function(){
			console.log("把水煮沸")
		}

		Tea.prototype.brewCoffeeGriends = function(){
			console.log("用沸水冲泡茶叶")
		}

		Tea.prototype.pourInCup = function(){
			console.log("把茶水倒进杯子")
		}

		Tea.prototype.addLemon = function(){
			console.log("加柠檬")
		}

		Tea.prototype.init = function(){
			this.boilWater();
			this.brewCoffeeGriends();
			this.pourInCup();
			this.addLemon();
		}

		var tea = new Tea()
		tea.init()