[code=javascript]var Class = function(){ var klass = function(){
this.init.apply(this, arguments);
};
klass.prototype.init = function(){};
return klass;
};
var Person = new Class;Person.prototype.init = function(){
//
this.init.apply(this, arguments);
};
klass.prototype.init = function(){};
return klass;
};
var Person = new Class;Person.prototype.init = function(){
//
this.init.apply(this, arguments);
};
klass.prototype.init = function(){};
return klass;
};
var Person = new Class;Person.prototype.init = function(){
//
var Class = function(){//声明Class变量,指向一个function
var klass = function(){//声明klass,指向一个function
this.init.apply(this, arguments);//klass内程序段
};
klass.prototype.init = function(){};//给klass原型扩充init方法
return klass;//Class指向是方法,返回的是klass
};
var Person = new Class;//new 一个Class,因为Class有return,并且指向klass,所以Persion就是klass(这里带括号与不带括号一个效果,没括号浏览器会自动补全)
Person.prototype.init = function(){}//给Person原型扩充方法init,这里会覆盖上面的klass.prototype.init = function(){};