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Article Description: an overview article describing the AJAX technique

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Content: use HTML Edit Content <h1 style="text-align: center;">ajax</h1> <h2>[what]</h2> <ol> <li>] AJAX stands for Asynchronous Javascript and Xml,</li> <li>] AJAX is a "technique/practice" used on web pages(+ in web apps) to ... perform "partial" page updates or partial page postbacks,</li> </ol> <h2>[why]</h2> <ol> <li>] this typically provides a better user experience b/c it is faster to update data on the page in response to a user action</li> <li>] the user does not have to wait for an "entire page" re - load to occur when they are interacting with the webpage</li> <li>] ajax reduces server round trips</li> <li>] reduces page load time</li> <li>] reduces data consumption (network bandwidth)</li> </ol> <h2>[example]</h2> <ol> <li><strong>]&nbsp;a page with a series of cascading select boxes</strong></li> <ol> <li>for Country, State, City.</li> <li>When the user selects the country, the list of states gets updated.</li> <li>When the user selects the state, the list of cities gets updated.</li> </ol></ol> <h2>[where]</h2> <ol> <li>] wherever</li> </ol> <h2>[when]</h2> <ol> <li>] whenever</li> </ol> <h2>[how-to]</h2> <ol> <li>] pre-req, </li> <li>] getting started, -</li> <li>] uses the XMLHTTP request object </li> <li>] data is often returned as XML</li> </ol> <h2>[ref=]</h2> <ol> <li>] ch 29, 30, pro asp.net 4.0, ch 44 - 866 cascading selects for add pages -</li> <li>] + ebook unobtrusive ajax by jeremey skinner, LOC=my documents/</li> <li>] http://www.quora.com/AJAX-1/What-are-some-best-practices-to-use-when-making-a-website-that-uses-a-lot-of-AJAX</li> </ol>