AJAX username availability checking

Over at MD Groves there is a simple yet useful tutorial on checking user name availability, this can also be extended to check city and state on zip codes etc.

For absolutely no reason whatsoever, I decided to create a simple example of AJAX, based on the framework I layed out in an earlier post.

The goal of this AJAX example is to allow a user who is registering for your site to see if the username they want to use is taken already or not, without having to submit a form and reload the page. I believe Digg uses this, and I hear it’s all the rage for Astronomy-based dating sites. You can skip to the implemented example in action here. Yeah, I did it in ASP this time, instead of PHP…FOR NO RAISIN WHATSOEVER, except maybe to show that the same JS framework works for both ASP and PHP.

Check out the full tutorial

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2.25.06 / 2am
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