Class

const str5 = new info5("웹쓰", "웹퍼블리셔");
const str6 = new info5("웹스토리보이", "프로그래밍");

document.write("7");
info5.study1();
info5.study2();
document.write("<br>");

함수의 상

class info3 {
            constructor(name, active){
                this.name = name;
                this.active = active;
            }
            study(){
                document.write(this.name + "가" + this.active + "되었습니다.");
            }
        }
        const result3 = new info3("함수 8","실행");
        result3.study();

        //클래스 상속
        class Box1 {
            constructor(name, active){
                this.name = name;
                this.active = active;
            }
            study(){
                document.write(this.name + "가" + this.active + "되었습니다.");
            }
        }
        class Box2 extends Box1 {
            constructor(name, active, today){
                super(name, active);
                this.today = today;
            }
            study(){
                document.write(this.today + this.name + "가" + this.active + "되었습니다.");
            }
        }
const result4 = new Box1("함수9","실행");
const result5 = new Box2("함수10","실행","오늘도");

result4.study();
result5.study();
result5.study2();