SOURCE

function New(aClass, aParams)    //通用创建函数
{
    function new_()     //定义临时的中转函数壳
    {
        aClass.Create.apply(this, aParams);   //调用原型中定义的的构造函数，中转构造逻辑及构造参数
    };
    new_.prototype = aClass;    //准备中转原型对象
    return new new_();          //返回建立最终建立的对象
};

var Person =        //定义的类
{
    Create: function(name, age)
    {
        this.name = name;
        this.age = age;
    },
    SayHello: function()
    {
        alert("Hello, I'm " + this.name);
    },
    HowOld: function()
    {
        alert(this.name + " is " + this.age + " years old.");
    }
};

var BillGates = New(Person, ["Bill Gates", 53]);  //调用通用函数创建对象，并以数组形式传递构造参数
//BillGates.SayHello();
//BillGates.HowOld();

//alert(BillGates.constructor == Object);     //输出：true


console.log(JSON.stringify(BillGates.constructor.prototype))