This document discusses the jQuery Validate plugin, which provides simple client-side form validation. It validates forms and form elements, and comes with common validation methods like required, minlength, maxlength, email, and url. The plugin version is 1.11.1 and works with jQuery versions 1.6.4 through 1.9.0. It allows adding custom validation methods and provides an API for form validation and checking validity.

1. Jquery Validate
Name: Nguyen Anh Tuan
From: Framgia Company

2. Introduction
 This jQuery plugin makes simple clientside form
validation trivial
 The plugin comes bundled with a useful set of
validation methods
 including URL and email validation
 providing an API to write your own methods

3. Jquery Validate
 Current version: 1.11.1
 Require: jQuery, tested with 1.6.4, 1.7.2, 1.8.3, 1.9.0
 Document:
http://validation.bassistance.de/documentation/

4. Plugin methods
 validate() – Validates the selected form.
 valid() – Checks whether the selected form or
selected elements are valid.
 rules() – Read, add and remove rules for an element.

5. Validator
 Validator.form() – Validates the form.
 Validator.element() – Validates a single element.
 Validator.resetForm() – Resets the controlled form.
 Validator.showErrors() – Show the specified
messages.
 Validator.numberOfInvalids() – Returns the number
of invalid fields.

6. List of built-in Validation methods
 required – Makes the element required.
 minlength – Makes the element require a given
minimum length.
 maxlength – Makes the element require a given
maxmimum length.
 email – Makes the element require a valid email
 url – Makes the element require a valid url
 date – Makes the element require a date.
 digits – Makes the element require digits only.
 creditcard – Makes the element require a creditcard
number.

7. Reference
http://jqueryvalidation.org/
http://jquery.bassistance.de/validate/demo/