Writing code to validate Web-form input can be even more of a chore than implementing form-processing logic. But help is at hand, thanks to the Struts 2 framework. Oleg Mikheev looks under the hood of ...

The event.preventDefault () method stopped the browser from performing its default form submission, which would have caused a page reload. This allowed me to handle form validation in JavaScript, ...

And, indeed, this asynchronous behavior is what makes JavaScript—and Ajax, for that matter—so exciting for Web developers. No longer are we stuck with the modern equivalent of old-style 3270 terminals ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Note, this article deals with client-side JavaScript. For a client and server-side JavaScript ...

Here's how to integrate the ASP.NET CustomValidator control with client-side code to create a page that uses Ajax and server-side code to validate data at the browser. In a comment to a tip in our ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

That might be more AJAX than you want, though. With these tools you can take care of some typical AJAX-related tasks without having to write any JavaScript. Regardless of whether you just want to make ...