Validating checkboxes with php Alobel nude
Great for "required fields" such as email addresses!
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.
As a finishing touch, try making the script move the cursor to the field that needs filling in each time ( I'm hoping you can provide me with some guidance.
The form will include one text field called "Your Name", and a button.
Let's look at a more complex validated form with some different types of form fields. Try pressing the Send Details button without filling in the form and see what happens.
Again, you might like to open the source code for this form in a separate window, so that you can refer to it as we talk you through.
For example, if your form has a box for the user to type their email address, you might want your form handler to check that they've filled in their address before you deal with the rest of the form.
There are two main methods for validating forms: (usually done using Java Script).