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Ajax Form Validation: Part 1

In this two-part article by Audra Hendrix, Bogdan Brinzarea and Cristian Darie, authors of AJAX and PHP: Building Modern Web Applications 2nd Edition, we will create a form validation application that implements traditional techniques with added AJAX flavor, thereby making the form more user-friendly, responsive, and pleasing. In the AJAX world, entered data is validated on the fly, so the users are never confronted with waiting for full-page reloads or the rude "blank form" as a reply.

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