//對象冒充實現繼承
    function Person() {
        this.speak = function () {
            alert("我是人類");
        };
    }

    function Chinese() {
        Person.call(this);
    }
    var p = new Chinese();
    p.speak();

//對象冒充與原型繼承
    function Person(sColor) {
        this.color = sColor;
    }

    Person.prototype.sayColor 
 
= function () {
        alert(this.color);
    };

    function Chinese(sColor, sName) {

        Person.call(this, sColor);//對象冒充繼承屬性

        this.name = sName;
    }

    Chinese.prototype = new Person();//原型繼承方法

    Chinese.prototype.sayName = function () {
        alert(this.name);
    };

    var
 
 p = new Chinese("red", "高聰");
    p.sayColor();
    p.sayName();

javascript 繼承