안혁준/class.js

/**
 * @author Blue Mir
 * /

Function.prototype.extend = function(superclass)

{

  if(this.prototype.superclass)
  throw new SyntaxError("이미 superclass를 가지고 있습니다.");

 var proto = new superclass();

 for(var p in proto)
 {
  if(proto.hasOwnProperty(p)) delete proto[p];
 }

 proto.constructor = this;
 proto.superclass = superclass;

 this.prototype = proto;

 return this;

};

Function.prototype.implement = function()

{
 for(var i = 0; i < arguments.length; i++)
 {
  var implementClass = arguments[i];

  for(var p in implementClass.prototype)
  {
   var fn = implementClass.prototype[p];
   if(typeof fn == "function")
   {
    this.prototype[p] = fn;
   }
  }
 }
 return this;

};