schooner.coffee

class Vessel

  constructor: (@type, @name) ->


class Schooner extends Vessel
  
  constructor: (@name) ->
    super(@name, @constructor.name)


ship = new Schooner('Wasa')
console.debug ship.type #>> Schooner
console.debug ship.name #>> Wasa

schooner.js

var Schooner, Vessel, ship,
  __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; };

Vessel = (function() {
  function Vessel(type, name) {
    this.type = type;
    this.name = name;
  }
  return Vessel;
})();

Schooner = (function(_super) {
  __extends(Schooner, _super);
  function Schooner(name) {
    this.name = name;
    Schooner.__super__.constructor.call(this, this.name, this.constructor);
  }
  return Schooner;
})(Vessel);

ship = new Schooner('Wasa');
console.debug(ship.type);
console.debug(ship.name);