touch.coffee

is_event_supported : (event) ->
  eventName = "on#{event}"
  element   = document.createElement('div')

  supported_in_ff = ->
    element.setAttribute eventName, 'return;'
    typeof element[eventName] is 'function'

  supported = eventName in element || supported_in_ff()
  element = null
  supported

touch_event = if is_event_supported('touchstart') then 'touchstart' else 'click'
  
$elem.on(touch_event, (e) -> )