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AJAX: Making the HTML User Experience Almost As Pleasant as Flash
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04/12/2006, By Rob Gonda
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AJAX can make the HTML user experience almost as pleasant as Flash. The main advantage of Flash, in spite of its vector animations, is that you never reload the page. Flash Remoting allows you to interface with the server in the background and AJAX does exactly the same for HTML pages
CFAJAX allows you to send complex objects, but for some reason it's extremely difficult to receive and interpret them on the ColdFusion side. For this reason I came up with a much simpler and straightforward way: WDDX serialization.
This concept may be familiar to some of you. WDDX stands for Web Development Data Exchange and Allaire created it in 2001 to solve problems in exchanging data between Web applications. In a nutshell, WDDX is a technology that facilitates exchanging complex objects over XML. WDXX supports Booleans, numbers, strings, date-time, arrays, structures, and record sets. Modules for WDDX support exist in various languages, including but not limited to ColdFusion, Perl, Java, JavaScript, ASP, .NET, and PHP.
A JavaScript WDDX component is included in the cfide/scripts folder of every ColdFusion installation. You can locate it at /cfide/scripts/wddx.js.
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