validation is easier to do and quicker too (the browser doesn't have to connect to the server to validate the form, so the user finds out instantly if they've missed out that required field! Java Script provides a way to validate form's data on the client's computer before sending it to the web server. # Basic Validation - First of all, the form must be checked to make sure data was entered into each form field that required it.
This would need just loop through each field in the form and check for data.
It is important when a hacker disables the Java Script then serverside validation protects your website.
When used as a client-side language, Java Script is executed in a user’s browser.
This is different from ASP, PHP or other server-side languages, which execute on a web server.
In many applications data is accepted through the application form.
To specify that the data which has been inserted is correct or not you will be required to validate your form.
• HTML • CSS • Java Script you don't have knowledge of HTML, CSS & Java Script than you may face some difficulties in validating a HTML form yet I will make the entire step very easy to understand by you.