AJAX
Get flash to fully experience Pearltrees
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<a href="http://ad.doubleclick.net/adj/ttm.xml/art;tn=3;tw=300;th=55;to=h;tcs=0;tcp=0;ta=center;tva=bottom;tc=ffffff;tnm=3;te=1;sz=100x50;ord=123456789?" target="_blank"><img src="http://ad.doubleclick.net/adj/ttm.xml/art;tn=3;tw=300;th=55;to=h;tcs=0;tcp=0;ta=center;tva=bottom;tc=ffffff;tnm=3;te=1;sz=100x50;ord=123456789?" width="100" height="50" border="0" alt="" /></a> February 09, 2005 One of the classic drawbacks to building a web application interface is that once a page has been downloaded to the client, the connection to the server is severed. Any attempt at a dynamic interface involves a full roundtrip of the whole page back to the server for a rebuild--a process which tends to make your web app feel inelegant and unresponsive.
HTTPRequest object at XML.com
AJAX
If anything about current interaction design can be called “glamorous,” it’s creating Web applications. After all, when was the last time you heard someone rave about the interaction design of a product that wasn’t on the Web? (Okay, besides the iPod.) All the cool, innovative new projects are online.
Two weeks ago I highlighted the most important usability issues with XMLHttpRequest . This week we are going a step closer to see how you can mix the two - including a practical example, just for the fun of it. Normal forms are usable by default You can clearly see where the input fields are , so you know what you can edit, and what you cannot. It is forgiving .
Usable XMLHttpRequest