/**
* $define 寫類工具函數之二
* @param {Object} constructor
* @param {Object} prototype
*/
function $define(constructor,prototype) {
var c = constructor || function(){};
var p = prototype || {};
return function() {
for(var atr in p)
arguments.callee.prototype[atr] = p[atr];
c.apply(this,arguments);
}
}

//構造函數
function Person(name) {
this.name = name;
}
//原型對象
var proto = {
getName : function(){return this.name},
setName : function(name){this.name = name;}
}
//定義兩個類
var Man = $define(Person,proto);
var Woman = $define(Person,proto);
console.log(Man == Woman);//false,同一個構造函數（Person）定義不同的類