An example and explanation of one method of validating a form using jQuery. Also, some tips on how to style a form.

Javascript allows inheritance. It is however more complex than using when using traditional OOP languages with their built in extend functionality. Javascript Design Patterns.

Javascript doesn’t natively support encapsulation as OOP languages do. It is however possible to achieve encapsulation with javascript using fairly simple workarounds. Encapsulation is done through closures.

Creating jQuery plugins is very easy. This simple tutorial will get you started creating your own plugins.

HTML and javascript using jQuery that functions as a simple user login form. Also included a PHP file for testing.