Validating html form
If your web browser supports HTML5, it will not allow you to submit the form without entering text into the input field.
Instead, it will display a message that is generated by the web browser itself.
The server-side code is given below: We first check whether the validations succeeded. Click here to download The download contains the code for the HTML form, the validations and the PHP form handler.
It is important to validate the form submitted by the user because it can have inappropriate values. Java Script provides facility to validate the form on the client-side so data processing will be faster than server-side validation.
The script is very simple to use and has almost all validation types built-in.
It is better to do validations both on the client side and on the server side.
Client side validation provides a quick feedback to your visitor.
Also, the attribute can be added to form controls, to programmatically indicate that they are required.
Most current web browsers support this attribute and will communicate missing required input to the user, using standard web browser dialog mechanisms.
The HTML code of the form is given below: In the contact form download, the form code is in the page.