The Little Book on CoffeeScript

Static Properties

How about defining class (i.e., static) properties? Well, it turns out that inside a class definition, this refers to the class object. In other words, you can set class properties by setting them directly on this.

class Animal
  this.find = (name) ->      

Animal.find("Parrot")

In fact, as you may remember, CoffeeScript aliases this to @, which lets you write static properties even more succinctly:

class Animal
  @find: (name) ->

Animal.find("Parrot")