Form validation using JavaScript

Parsley is a javascript form validation library. It helps you provide your users with feedback on their form submission before sending it to your server. It saves you bandwidth, server load and it saves time for your users.

Javascript form validation is not necessary, and if used, it does not replace strong backend server validation.

That's why Parsley is here: to let you define your general form validation, implement it on the backend side, and simply port it frontend-side, with maximum respect to user experience best practices.

Basic installation
Parsley relies on jQuery (>= 1.8), and it will need to be included before including Parsley.
 Then, you can either use parsley.js unminified file or parsley.min.js minified one. These files and extras are available here.

Finally, add data-parsley-validate to each <form> you want to be validated.

That would look pretty much like this:
<script src="jquery.js"></script>
<script src="parsley.min.js"></script>

<form id="form">

Final code and demo is here


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