The jQuery JavaScript library includes a plugin architecture. JQuery plugins can add user interface features to your Web page, extend jQuery’s syntax or add additional functions. You can add jQuery plugins to a Web page the same way you install jQuery itself, by uploading the plug-in’s JS file to your Web server and including the plugin with an HTML script tag. The plugin’s script tag must appear after jQuery’s script tag in the HTML code. Tips Warnings Writer Bio

Tutorial for How to Install jQuery Plugins  7 Steps  - 9