I\'m finding this a strange place to be at a bit of a loss, but if I cant\' do this:
koObserv(koObserv() + 1);
and a method is not provided, am
Here is a fiddle that demonstrates incrementing:
http://jsfiddle.net/jearles/LbPDK/
As you can see self.num(self.num() + 1); does work.
self.num(self.num() + 1);