2. var Student = {
    3.     name: 'Robot',
    4.     height: 1.2,
    5.     run: function () {
    6.         console.log(this.name + 'is runing......')
    7.     }
    8. }
    9. var xiaoming = {
    10.     name: '小明'
    11. }
    12. xiaoming.__proto__ = Student; //把小明的原型指向了对象Student
    14. console.log(xiaoming.name); //小明
    15. xiaoming.run(); //小明 is runing......
    18. var Bird = {
    19.     fly: function () {
    20.         console.log(this.name + 'is flying......')
    21.     }
    22. }
    23. xiaoming.__proto__ = Bird;
    24. xiaoming.fly();//小明is flying......
    1. //原型对象
    2. var Student = {
    3.     name: 'Robot',
    4.     height: 1.2,
    5.     run: function () {
    6.         console.log(this.name + ' is running...');
    7.     }
    8. };
    10. function createStudent(name) {
    11.     //基于Student原型创建一个新的对象
    12.     var s = Object.create(Student);
    13.     s.name = name;
    14.     return s;
    15. }
    17. var xiaoming = createStudent('小明');
    18. xiaoming.run();
    19. console.log(xiaoming.__proto__ === Student);
    1. // 构造函数
    3. function Student(name) {
    4.     this.name = name;
    5.     this.hello = function () {
    6.         console.log('Hello, ' + this.name + '!');
    7.     }
    8. }
    10. var xiaoming = new Student('小明');
    11. xiaoming.name; // '小明'
    12. xiaoming.hello(); // Hello, 小明!