JSValidate is an open scripted form validator which uses prototype and scriptaculous to give you a clean and simply executed Javascript form validator. It requires minimal effort to get it going—once installed, you’ll be running super quick data processing within minutes.
Use CSS classes to annotate your forms and JS’ library does the rest of the work for you. It has been designed to work pre-existing forms, so you’ll be able to start validating without any having to put in extra work configuring or scripting. The validator has been thoroughly tested on different browsers to ensure that it runs with any platform+browser combination. Although it’s meant to be as simple as possible, it’s still in its infancy so you may face some kinks while using it. Check out the demo to see how it all comes together.
JSValidate.com In Their Own Words
“JSValidate is a form validator that utilizes aspects of prototype and scriptaculous to bring you a simple to execute, non-intrusive javascript form validator. With minimal setup, your forms can be processing clean data in no time at all.”
Why JSValidate.com It Might Be A Killer
JSValidate is notable for its simplicity. It’s designed to run with minimal setup which means you can concentrate on more pressing matters. JSValidate is lightweight, easy to use, and slick.
Some Questions About JSValidate.com
Does it cover field matching? Is it too obtrusive with its class names? Will users find it to large for what it does? 
