抽象工厂模式(Abstract Factory)

gistfile1.js

function AbstractFactory(){
    this.createButton = function(){};
    this.createBorder = function(){};
};

function Button(){};
function Border(){};

function WinFactory(){};
function MacFactory(){};

WinFactory.prototype = new AbstractFactory();
MacFactory.prototype = new MacFactory();

WinButton.prototype = new Button();
WinBorder.prototype = new Border();

MacButton.prototype = new Button();
MacBorder.prototype = new Border();

WinFactory.prototype.createButton = function(){
    return new WinButton();
};
WinFactory.prototype.createButton = function(){
    return new WinBorder();
};

MacFactory.prototype.createButton = function(){
    return new MacButton();
};
MacFactory.prototype.createButton = function(){
    return new MacBorder();
};