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The Ajax transport method

There's more to Ajax than XMLHttp

Mr. Jack D Herrington (jherr@pobox.com), Senior Software Engineer, Leverage Software, Inc.
A senior software engineer with more than 20 years of experience, Jack Herrington is the author of three books: Code Generation in Action, Podcasting Hacks, and PHP Hacks. He is also the author of more than 30 articles. You can contact him at jherr@pobox.com.

Summary:  Discover three Ajax data transport mechanisms (XMLHttp, script tags, and frames or iframes) and their relative strengths and weaknesses. This tutorial provides code for both the server side and the client side and explains it in detail to provide the techniques you need to put efficient Ajax controls anywhere you need them.

Date:  06 Jun 2006
Level:  Intermediate
PDF:  A4 and Letter (157 KB | 29 pages)Get Adobe® Reader®

Activity:  11576 views
Comments:  

Summary

Venture forward to Web V2.0 when you transport data with Ajax

This tutorial demonstrated three unique methods to get data from your server without reloading the page. From my own experience, I recommend either using the XMLHttp or the <script> tag method. In either case, I prefer to use JavaScript as the transport language, because it's far easier and faster for the client to interpret.

As to the method of transport, I recommend the <script> tag approach, because it allows users on your site to use View Source functionality on your page, grab your code, and use it on their own pages to display your data in their context. As long as it's attributed appropriately, this borrowing can give your site viral reach, and Web V2.0 is all about viral marketing.

That said, if this tutorial is anything, it's a demonstration of just how many ways to handle simply the data-transport portion of the Ajax equation. You must decide for yourself the most appropriate method for your Web V2.0 applications.

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static.content.url=http://www.ibm.com/developerworks/js/artrating/
SITE_ID=1
Zone=XML, Java technology, Open source, Web development
ArticleID=126179
TutorialTitle=The Ajax transport method
publish-date=06062006
author1-email=jherr@pobox.com
author1-email-cc=dwxed@us.ibm.com

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