w1020/14.ts/4.面向对象/dist/4.super.js

"use strict";
(function () {
    // 父类
    class Animal {
        constructor(name, color) {
            this.name = name;
            this.color = color;
        }
        eat() {
            console.log("好吃爱吃多吃");
        }
    }
    // 猫
    class Cat extends Animal {
        /**
         * 若子类继承父类
         * 子类的构造函数中必须对父类的构造函数进行重写
         */
        constructor(a, b, c) {
            super(a, c);
            this.age = b;
        }
    }
    let animal = new Animal("猫", '白');
    let cat = new Cat('妹妹', 3, '黄');
    console.log(animal);
    console.log(cat);
})();