重拾TypeScript-12 类的构造函数

//构造函数

class Person{

    constructor(public name:string){}

}

 

//继承

 

class  teacher  extends Person{

    constructor(public age:number){

        super('jspang')

    }

}

 

const teacher1 = new teacher(18);

 

console.log(teacher1.name);

console.log(teacher1.age);