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 ...

HTML5 form field validation also works with numeric input types and with the “required” specification. Suppose we enhanced the above HTML to add an input field with “required” and another input field ...

If you’ve used Google Maps, Gmail or Microsoft’s Outlook Web Access, you’re familiar with the power of AJAX, which gives Web applications the responsiveness users associate with desktop applications.