A plugin is a kind of Joomla! extension. Plugins provide functions which are associated with trigger events. Joomla provides a set of core plugin events, but any extension can fire (custom) events. When a particular event occurs, all plugin functions…

The official directory for all components, plugins and modules available for use with the Joomla platform. This database is maintained by the Joomla developers.

jdoc statements are included in every Joomla template and indicate where the output from other parts of Joomla or its extensions should be positioned in the overall web page. A typical jdoc statement looks like this: <jdoc:include type="component" /> See…

A scripting language that runs inside the client browser, used in many web applications. In Joomla, JavaScript has become an important part to enhance the user interface and provide AJAX functionality.

The term patch file is used for two different file types. The term patch file is sometimes used to refer to archive files that allow you to upgrade from one Joomla! version to another (for example, from version 1.0.0 to…

The fifth revision of the HTML standard. It is still under development but is expected to become a new standard for web pages that eventually is expected to replace XHTML. It provides improved processing of audio and video files and…

Records the number of times a specific page or item is accessed. Joomla tracks hits for many item types, for instance, an article or a banner ad.

Adjusting a core Joomla file (i.e., the files that you uploaded before installing Joomla!). Any changes you make to core files will be overwritten during the next update, thus core hack is not recommended. In most cases, there are alternative…

See Language Override, Alternative Menu Item, Template Override, and Layout Override.

Page Class Suffix is a parameter in Joomla! content Menu Items. It is set in the Menu Item: [Edit] screen under the "Parameters (Advanced)" section. This will cause Joomla! to either add a new CSS class or modify the existing…