CoffeeScript: Starter class with class, instance, and private methods

gistfile1.txt

class ClassName
	constructor: (attr) ->
		@attr = attr

	# Private
	privateVariable = null
	privateMethod = () ->

	# Class method
	@classMethod : () ->

	# Instance method
	instanceMethod : () ->
		# to access class methods from within an instance
		@construtor.classMethod()

		# to find name of constructor
		@construtor.name # does not work in IE