//创建这个类一进它的构造方法 class Food{ constructor(food) { this.food=food; } get menu(){ return this.dish; } set menu(args){ return this.dish.push(args); } cook(){ console.log(this.food); } } let food = new Food('面包'); food.cook(); food.menu='香蕉'; food.menu='葡萄'; console.log(food.menu);