es6中对象的类与继承方法

 1 //我们假定父类为person，子类为man
 2 class person{
 3     constructor(name,age){
 4         this.name=name;
 5         this.age=age
 6     },
 7     say(){
 8           return console.log(this.name+this.age);
 9     }
10 }
12 class man extends person{
13  constructor(name,age , sexy) {
14  super(name,age); // 调用父类的constructor(name, age)
15  this.sexy = sexy;
16  } 
17  say() {
　　super.say();// 调用父类的say()

18 return console.log(this.name); 19  } 20 }