class Book

  constructor: (@name) ->

  BookName: ->
    @name


class Fantasy extends Book

  Present: ->
    "The fantasy book *#{@name}* is present"


name = "The Lord of the Rings"

fan_book = new Fantasy(name)
alert fan_book.BookName() is name 

alert fan_book.Present() is "The fantasy book *The Lord of the Rings* is present"

var Book, Fantasy, fan_book, name,
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

Book = (function() {
  function Book(name) {
    this.name = name;
  }

  Book.prototype.BookName = function() {
    return this.name;
  };

  return Book;

})();

Fantasy = (function(_super) {
  __extends(Fantasy, _super);

  function Fantasy() {
    return Fantasy.__super__.constructor.apply(this, arguments);
  }

  Fantasy.prototype.Present = function() {
    return "The fantasy book *" + this.name + "* is present";
  };

  return Fantasy;

})(Book);

name = "The Lord of the Rings";

fan_book = new Fantasy(name);

alert(fan_book.BookName() === name);
alert(fan_book.Present() === "The fantasy book *The Lord of the Rings* is present");