Another Fun Day at J2EE Training

We had fun at J2EE training today, JM talked about YUI, prototype, Script.aculo.us and Dojo. These javascript toolkits surely know their way around the javascript quirks that’s been perstering lots of developers with browser incompatibilities. I agree that these toolkits help a lot in making more stable javascript codes.

Some pictures taken from the training:

Some of our observations are:

1. Lots of these toolkits do the same functionality (e.g. String utilities, Ajax calls, Animations). Is there any standard body that is defining the new sets of javascript features? So we all live in one common world of javascript coding? Or is it a battle of the best platform?
2. Seems like we’re going back to the world of client-server days. As rich-interface becomes popular, will thin-clients begin to disappear? And what’s with Flex, Silverlight, JavaFX?
3. When prototype popularized Object-Oriented approach, they made a good point about the power of Javascript… but still, the flexibility of javascript codes make it difficult to standardize. It’s more of a developer’s conscious effort to create cleaner code.

One neat thing I learned about prototype is that it has a method “Try.these{…}” where all the statements within will be evaluated until one actually works. Sounds useful when making your javascript methods work across multiple browser.