rhanziy

abstract class User { constructor( protected firstName: string, protected lastName:string ){} abstract sayHi(name:string):string abstract fullName():string } class Player2 extends User { sayHi(name:string){ return `Hello ${name}. My name is ${this.fullName()}` } fullName(){ return `#{this.firstName} ${this.lastName}` } } 타입스크립트에서 추상클래스를 구현하면 자바스크립트에서 컴파일했을 때 일반적인 클래스로 바뀌어버림. class User { constru..