Example case:
http://www.telerik.com/help/aspnet-ajax/treeview-client-objects-radtreeview.html
in this example, what would be the return if .findNodeByValue() didnt find a match? null? 0? undefined? Usually documentation would cover the slew of return results. Maybe I am used to a more indepth plethora of information at my disposal, I dunno.
doing a simple:
then putting it into a browers console, you can do:
which would return null.