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Advanced Requests and Responses in Ajax

Posted by ryuzaki0 on from the cleaner-code-not-just-a-cleaner dept.

An anonymous reader writes "The Web is no longer a place where simple applications are tolerated; 'users have become more advanced, customers expect robustness and advanced error reporting, and managers are fired because an application goes down 1 percent of the time. It's your job then, to go beyond a simple Ajax application that requires a more thorough understanding of XMLHttpRequest.' This DevWorks article tries to help developers use Ajax to build a solid foundation in which an application handles errors and problems smoothly."

5 of 209 comments (clear)

  1. Re:AJAX? by DeveloperAdvantage · · Score: 3, Informative

    If you want a one hour summary, take a listen to our most recent audiobook at http://www.developeradvantage.com/products.html . It's free for now.

    --
    FREE - Java, J2EE and Ajax Audiobooks for Software Developers - www.DeveloperAdvantage.com
  2. Pretty sparse by Gopal.V · · Score: 3, Informative
    The document is pretty much ranks in the category of 30 second ajax tutorials. It would have been better if the document has explained how you were supposed to handle concurrent XmlHttpRequests - a problem I am faced with. Yesterday, I noticed the new Y! libs released had - transaction ids for Ajax requests. I've been using closures in javascript to maintain the context info, but this way sounds much better.

    Any decent webdev entering the field should know about http status codes, HEAD requests and all that. Also it should be noted that article didn't even mention how many times state 3 is hit for a particular request - I got caught by that one once.

    --
    Quidquid latine dictum sit, altum videtur
  3. Corrected URL by RealProgrammer · · Score: 4, Informative
    The download link in TFA has an error. To get the code from the article, use:

    http://download.boulder.ibm.com/ibmdl/pub/software /dw/web/wa-ajaxintro3_ajax-xhr_adv.zip

    Taking the "%20" away from the final "/" made it work.

    (There should be no spaces in the URL.)

    --
    sigs, as if you care.
  4. Re:AJAX? by DeveloperAdvantage · · Score: 3, Informative

    Thanks. Sometimes I really don't understand the censoring, I mean mod system here. Our audiobooks are currently freely downloadable, we have no advertising on our side, and it seems reasonable and on topic that if someone asks about Ajax to point them to our material. After all, this whole thread is about an article from a huge, profitable corporation. Maybe instead of audiobooks, I should call them "audicles", and then it will be ok to mention them when people are looking for information.

    Anyway, thanks again.

    --
    FREE - Java, J2EE and Ajax Audiobooks for Software Developers - www.DeveloperAdvantage.com
  5. I would prefer the JSON way by moria · · Score: 4, Informative

    Using JSON, JavaScript can load data from any address, when XMLHttpRequest requires you to stay in the same domain. Besides, JSON is JavaScript native and is therefore much easier to consume, for example, using MochiKit. As for the generator, it is trivial to convert native data to JSON data in a wide range of programming languages, including all the major server side scripting languages, like Python and Java. Yahoo has released a lot of their APIs on JSON and some excellent Python WebApp Framework has built-in support to speak to the client scripts in JSON.