     if node == undefined
       node = @_root
       @_list = []
-    if node == null or node.max < value then return
+    if node == null or node.max < value then return []
     if node.left != null then @lookup value, node.left
     if node.low <= value
       if node.high >= value then @_list.push node.data

    @showTicks = @timeline.options.showTicks
    @stepDuration = @timeline.options.duration / @timeline.options.steps
    @stepSize = ( @end - @start ) / @timeline.options.steps
    
  _buildDataList: (container, times) ->
    @_datalist = L.DomUtil.create 'datalist', '', container
    datalistSelect = L.DomUtil.create 'select', '', @_datalist

    clearTimeout @_timer
    if +@_timeSlider.value == @end then @_timeSlider.value = @start
    @_timeSlider.stepUp @stepSize
    @_sliderChanged
      type: 'change'
      target: value: @_timeSlider.value
    unless +@_timeSlider.value == @end
