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I've never actually been working with JavaScript much.

With all those modern frameworks like JSF-based RichFaces and some GWT-based libraries(e.g. Vaadin) you don't actually need to do a lot of JavaScript coding.

And even if you do all these issues with cross-browser support and layout looking similar in all browsers tend to make you hating anything related to UI.

Thus you start being arrogant and ignorant to JavaScript, CSS, HTML features and focus on learning something solid like Java/JEE etc.

Of course if you had no options(e.g. you worked on a browser-based MMO game or a web portal with a rich UI) you would probably keep working with UI technologies, but in many cases you could still keep your heart cold about JavaScript and kept waiting for an oportunity to escape.


Recently a friend of mine has sent me a good link about JavaScript which I wished everyone who'd ever developed in JavaScript read.


Here it's by the way: A re-introduction to JavaScript (JS Tutorial)


Once I read it I also found several other extremely useful links from the same source:


Introduction to Object-Oriented JavaScript


JavaScript Guide


I think there are also some other sources on the Internet on this matter so that if you get interested you can find them as well.


The key point of this post is "JavaScript is not just some kind of buggy/ugly thing you have to write when you need to extend your web UI but rather a technologigy which is intended to be run on a host environment and has a lot of great and flexible features(its own paradigm of programming I would even say)".

Here is the series of arcticles by Mathieu Carbou about Reverse Ajax, Comet, WebSockets, Event-Driven Architecture etc. I think these articles can help anyone interested in this topic to get started:


Reverse Ajax, Part 1: Introduction to Comet

Reverse Ajax, Part 2: WebSockets

Reverse Ajax, Part 3: Web servers and Socket.IO

Reverse Ajax, Part 4: Atmosphere and CometD

Reverse Ajax, Part 5: Event-driven web development

The key point is that in the moder world everyone wants to develop more interactive application which should react almost instantly to the changes on the server side.

So the focus of Reverse Ajax technologies is adding an ability to send messages/notifications from the server side to the client side without waying for the user to push "Refresh" button in UI.

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