[Rails] Re: jQuery Plugin Authoring with CoffeeScript

Hello i'm trying to make this code shorter in coffee script ... what do
you suggest? i'm new to coffee script and just want to know how i would
shorten this command

keyDownHandler = (event) ->
selectedItem =
$(event.target).siblings(".suggestions").children(".current-suggestion")
if selectedItem.length > 0
if event.which is 40
nextItem =
$(selectedItem).removeClass("current-suggestion").next()
nextItem.addClass "current-suggestion" if nextItem.length > 0
return
if event.which is 38
nextItem =
$(selectedItem).removeClass("current-suggestion").prev()
nextItem.addClass "current-suggestion" if nextItem.length > 0
return
if event.which is 13 or event.which is 9
addSuggestion(event.target)(selectedItem)
event.preventDefault()
return

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