The term “Factory Pattern” in JavaScript (and in software design in general) comes from the concept of a “factory” in real life, where a factory isa place where objects (products) are created.In the context of software design, the Factory Pattern is a creational design pattern that provides an interface for creating objects without specifying the exact class of object that will be created. 즉, ne..

특정 작업을 실행하는 객체와메서드(아래의 placeOrder 등)를 호출하는 객체를 분리할 수 있습니다.class OrderManager() { constructor() { this.orders = [] } placeOrder(order, id) { this.orders.push(id) return `You have successfully ordered ${order} (${id})`; } trackOrder(id) { return `Your order ${id} will arrive in 20 minutes.` } cancelOrder(id) { this.orders = this.orders.filter(order => order.id !== id) retu..