原型和原型链实现继承
原型和原型链,两个类之间实现继承
组合继承(原型继承+构造函数继承,既能解决属性问题又能解决方法问题)
function Person(name,age){
this.name = name;
this.age = age;
}
Person.prototype.play = function(){
console.log(我爱玩);
}
function Child(name,age,score){
Person.call(this,name,age);
this.score = score;
}
Child.prototype = Object.create(Parent.prototype)
Child.prototype.constructor = Child
var chil = new Child(‘哈利’,10,100);
chil.play() //我爱玩
参考:
https://segmentfault.com/a/1190000015216289?utm_source=sf-similar-article
posted on 2019-06-11 10:33 yemiaomiao 阅读(105) 评论(0) 编辑 收藏 举报