Agile Ajax

Recent Ajax Framework Releases/Developments

Dietrich Kappe, Tuesday, April 22, 2008 @ 4:13 pm

Some noteworthy Ajax Framework releases have come out in the last few weeks, along with some other news of interest:

  • Ext JS 2.1 and Ext GWT 1.0 Beta - Better performance, new Slider, StatusBar components. REST support (support for other HTTP methods beyond POST and GET). The Ext GWT 1.0 Beta consummates the love affair between GWT (Google Web Toolkit) and Ext that was started by gwt-ext and MyGWT, but provides the comfort of knowing that it is supported by the Ext JS folks. Note: Ext GWT is pure GWT, not an Ext JS wrapper.
  • Dojo 1.1 - First off, API compatibility between 1.0 and 1.1. Unified timing loop (ala Scriptaculous) for animation effects, with increased performance. Syntactic improvements to dojo.query. Unification of XHR functionality into dojo.xhr() function.
  • Backbase Enterprise Ajax 4.2 - Backbase has been in the commercial framework game longer than almost anyone. Among the new features: hierarchical data bindings and improved performance. If you've wanted data binding for tree widgets, have a look.
  • Google Search, Feed and Translation API - I opined a while back that Google discontinued their SOAP search API because they didn't want people reordering or otherwise manipulating their search results. Looking at the terms of use of the new REST service, you can see that this continues to be a concern:  You agree that you will not, and you will not permit your users or other third parties to: (a) modify or replace the text, images, or other content of the Google Search Results, including by (i) changing the order in which the Google Search Results appear...
  • Google App Engine - it only runs Python apps right now, and it's a preview release available to a select few, but you can already see that this is Google's challenge to Amazon's EC2 compute cloud. In at most a year, unless you are security sensitive -- health care, financial services -- or running on Windows, you won't be building and maintaining data centers. The capital requirements for launching sophisticated and scalable online services is about to change.
  • Echo3 (beta) - it's getting close. Superior performance to Echo2. Easier development of new components. Automatic serialization of objects between client and server. All HTML rendering now done on client. Overall the JavaScript client code is now of a design quality on par with the server code.

Lots of exciting developments for Ajax developers and Web 2.0 entrepreneurs. I, for one, can't wait to see how the Google App Engine compares to EC2 for deploying and scaling Facebook applications.

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Comments: 1 so far

  1. I first discovered Echo2 a year ago but hadn’t looked at it much since. Since the Ext changes I have been looking around again. Thanks for posting this entry. Echo3 is very impressive: component model, layouts, create components with object literal notation. I am more impressed with this architecture than YUI, Dojo, JQuery, and so forth. There really could be some enhancing with more conservative styling and that’s want I am focusing on now.

    Comment by Philip Weaver, Sunday, May 11, 2008 @ 12:51 am

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