// ES5
function User(name,age) {this.name = name;this.age = age;
}// 静态方法
User.getClassName = function(){return 'User'
}User.prototype.changeName = function(name){this.name = name
}User.prototype.changeAge = function(Age){this.Age = Age
}Object.defineProperty(User.prototype,'info',{get(){return 'name'+this.name+'age'+this.age}
})
// 子类
function Manager(name,age,password){User.call(this,name,age);this.password = password
}// 继承静态方法
Manager.__proto__ = User// 继承原型方法
Manager.prototype = User.prototype;//添加新方法
Manager.prototype.changePassword = function(pwd){this.password = password
}
var manager = new Manager('leo',22,'123');
manager.changeName('zengliang');
console.log(User.name) //User
console.log(manager.name) //zengjiangfunction test(){console.log("1")
}
console.log(test.name) //test

// function User(name,age) {//     this.name = name;
//     this.age = age;
// }
class User {constructor(name,age){this.name = name;this.age = age;        }// // 静态方法// User.getClassName = function(){//     return 'User'// }
    static getClassName(){return 'User'}// 方法的定义// User.prototype.changeName = function(name){//     this.name = name// }// User.prototype.changeAge = function(Age){//     this.Age = Age// }
    changeName(name){this.name = name}changeAge(age){this.age = age}// 自定义属性// Object.defineProperty(User.prototype,'info',{//     get(){//         return 'name'+this.name+'age'+this.age//     }// })
    get info(){return 'name'+this.name+'age'+this.age}
}// 子类
// function Manager(name,age,password){//     User.call(this,name,age);
//     this.password = password
// }
class Manager extends User{// 和call的区别，call先创建自身对象
    constructor(name,age,password){// super先创建父对象 必须
        super(name,age);this.password = password}// //添加新方法// Manager.prototype.changePassword = function(pwd){//     this.password = password// }
    changePassword(password){this.password = password}get info(){var info = super.info;console.log(info)}
}
// 下面的静态方法跟原型方法已经继承了，无须写其他的// // 继承静态方法
// Manager.__proto__ = User// // 继承原型方法
// Manager.prototype = User.prototype;

console.log(typeof User,typeof Manager)//function function
// var manager = new Manager('leo',22,'123');
// manager.changeName('zengliang');
// console.log(User.name) //User
// console.log(manager.name) //zengjiang// function test(){//     console.log("1")
// }
// console.log(test.name) //test

// // 立即执行
// let user = new class User{//     constructor(name){//         this.name = name
//     }
// }('zengliang');
// console.log(user)// 会报错，因为不会提升
// var user = new User()
// class User{//     constructor(name){//         this.name = name
//     }
// }