SimplytheBest Form Scripts

Makes simple clientside form validation easy with plenty of customization options. Bundled with a useful set of validation methods, including URL and email validation, while providing an API to write your own methods.

With this script you limit the number of characters allowed in an input box or textarea. The script counts and displays the number of characters with each keystroke.

Easily and unobtrusively upgrade HTML forms to use AJAX. The main methods, ajaxForm and ajaxSubmit, gather information from the form element to determine how to manage the submit process. Both of these methods support numerous options which allows you to have full control over how the data is submitted.

A JavaScript form validation library including more than a dozen useful validators. Automatically detects your form modifications and adapts.

A visual feedback indicator for the maxlength attribute.

An open source library that provides drag'n'drop file uploads with image previews. Dropzone will find all form elements with the class dropzone, automatically attach itself to it, and upload files dropped into it to the specified action attribute. jQuery plugin is optional.

A flexible, customisable form framework for Backbone.js applications. Offers simple schema definition to auto-generate forms, validation, nested forms, advanced and custom editors (e.g. NestedModel, List, Date, DateTime)and custom HTML templates.

The hybrid of a textbox and a select box. It's jQuery based and useful for tagging, contact lists, country selectors, and so on. Comes with LESS stylesheets and shims for Bootstrap. Remote data loading.