Ajax for Web Application Developers

Chapter 12. Client-Side Validation Client-side validation in web-based forms is an interaction designer's dream. It is a great way to inform users of their progress as they are using the form, rather than letting them get to the very end, on...

Getting Started The sample for this chapter is a login/registration page, which we will eventually plug in to our final sample application. This page will do one of two things: log in existing users or register new users. When new users arrive at ...

Creating a Validation Object Since we are validating user information, the JavaScript validation object that we are going to be creating will be called UserValidator. This object will have four methods: an initialize method for initializing all th...

The Server Side I know that we have not reached Part V, "Server-Side Interaction," yet, but this object truly requires us to dive into the server-side of the request. With that said, in this section, I do not plan on covering all the ins...