Do does

gistfile1.coffee

class Frame
  constructor: (@elements) ->

methods = ['remove', 'show', 'hide', 'stop']
for method in methods 
  do (method) ->
    Frame::[method] = ->
      element[method]() for element in @elements


class El
  constructor: (@name) ->
  remove: -> console.log("remove called on #{@name}")
  show: -> console.log("show called on #{@name}")
  hide: -> console.log("hide called on #{@name}")
  stop: -> console.log("stop called on #{@name}")

el1 = new El("El1")
el2 = new El("El2")
el3 = new El("El3")

f = new Frame [el1, el2, el3]
f.remove()
f.show()
f.hide()
f.stop()