         scan = true
         modifiers = []
         filterByKey = null
+        throttle = null
+        throttleId = null
+        debounce = null
+        debounceTime = 0
 
         modifier = alight.hooks.eventModifier[eventName]
         if modifier

                getValue = ->
                    element.value

            handler = (event) ->
                if filterByKey
                    if not filterByKey[event.keyCode]
                        return

                if modifiers.length
                    env =
                        stop: false
                    for modifier in modifiers
                        modifier.fn event, env
                        if env.stop
                            return

                if prevent
                    event.preventDefault()
                if stop

            if k is 'noscan'
                scan = false
                continue
            if k.substring(0, 8) is 'throttle'
                throttle = Number k.substring 8
                continue
            if k.substring(0, 8) is 'debounce'
                debounce = Number k.substring 8
                continue

            modifier = alight.hooks.eventModifier[k]
            if modifier
