I have recently read the first book written about the js library Ext.js.

The book is written bye : Shea Frederick, Steve 'Cutter' Blades and Colin Ramsay.

I was a bit afraid of bying the very first book about Ext and honestly I have to say that after the first 2 chapters my doubts were growing very fast.

Infact the book in the firsts chapters tends to treat really basic arguments with a very scholastic approach. Many writer tend to start their books with quite basic staff but in this case  think the first 30/40 pages could have a had a better use.

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One of the most interesting thing of the new jquery release ( 1.3.1 with bug fixing ) is the new css selctor engine called "Sizzle".

The css engine has been abstracted from the jquery core code so to be usable alsoinstand alone mode. Normally this shoud not be so important news but the fact that sizzle parsing speed looks to be so impressive make it available also to others library like prototype,mootools and others.

Find more about Sizzle Sizzle.

At this step is just an idea.

How many times did you find to deal with many objects and to start loosing control over the events flow of teh applications.

I use many times different libraries ( I always try to follow the best practice ) implementing his own way to manage events. it works but many times is not a very efficient way of desgin your applications. It's a long time I have in mind to build a centralized event manager framework-agnostic to be used as external support for :

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