This weekend I had some fun implementing the good old game of mines using RightJS. The result is pretty cute, you should check it out. No, really, you will like it.
The thing is that about year and a half ago I implemented the same exact game using MooTools, you can check it out over here, and well, I have some words to say on this regard.
Okay, I certainly did get better during this last year and you might say that I know RightJS better than MooTools, but here are some numbers. (For the sake of a clean experiment I specifically didn't look into the old code before or during the development and eventually gone in a different approach in the implementation.)
Yup, a twice as compact result and about four times less time spent. More of that I believe that RightJS implementation has much cleaner and easy to understand code.
The really sweet things in case of RightJS were the number extensions, simplified collections processing and built in Observer unit. It feels so good and natural to implement game logic with them! I really enjoyed those things!
Well, that's about it.