A while back I wrote a blog post on coupling and the observer pattern. Looking back, I did a pretty poor job describing what it wrong about it. I will attempt to correct this. We all want simple and descriptive code. Code that is self documented. Code that makes sense, Code that tells us a story. Lets look at a kind of code I have seen many times…

PubSub (or the observer pattern) is obviously the hottest pattern in client side development, and I would like to take a shot at trying to refine the best practices for using it in a flexible and robust way. The definition provided in the original Gang of Four book on Design Patterns states: “Define a one-to-many dependency between objects so that…