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.