"use strict";
(function () {
    class Person {
        constructor(name, age) {
            this.name = name;
            this.age = age;
        }
        say() {
            console.log("你好啊");
        }
    }
    class A extends Person {
        constructor(name, age, desc) {
            super(name, age);
            this.desc = desc;
        }
        say() {
            console.log("大家好");
        }
        back() {
            console.log("返回");
        }
    }
    let a1 = new A("孙悟空", 10, '金箍棒');
    console.log(a1, 'a1');
    a1.say();
    a1.back();
})();