This tutorial will show you how to create a Java Script-enabled form that checks whether a user has filled in the form correctly before it's sent to the server. First we'll explain why form validation is a useful thing, and then build up a simple example form, explaining things as we go along.At the end, there's a little exercise to keep you busy too!
Many browsers don’t support this attribute, so users may still see the generic error message, but there’s at least a chance that users will see something that’s a little more targeted toward providing helpful information.
Shows you how to write a script that ensures your form is filled in correctly before it's sent to your server.
Great for "required fields" such as email addresses!
You can then adapt this form to your own requirements.
Let's build a simple form with a validation script.