Manual:Collapsible elements

jQuery.makeCollapsible

 * See also jQuery.makeCollapsible documentation for more information about how it works.

This module is in MediaWiki core by default as of MediaWiki 1.18 and higher. Add the class " " to any element (div, table, list, anything) to trigger it.

For previous versions of MediaWiki, there are a few alternatives referenced below:
 * Collapsible tables: Add a simple class to make a table collapsible
 * NavFrame: A small element framework to set up a collapsible structure around any arbitrary content

Example
Result: This text is collapsible.

To set the initial state as collapsed add " ", such as seen in the following table:

You can specify which part is the collapsible content.

Result: This text is not collapsible; but the next is collapsible and hidden by default:

Source
This module ships with MediaWiki by default. You don't need to copy it to a wiki. The source (if you're interested) is in the repository for mediawiki-core ( and ).

Example
Title 1 Hello world.

Title 2 Hello world.

Result:

Title 1 Hello world.

Title 2 Hello world.

Source
Copy and paste the following text into your wiki's MediaWiki:Common.js and MediaWiki:Common.css

Example
Result:

Source
Copy and paste the following text into your wiki's MediaWiki:Common.js (or, if you have Gadgets extension installed, create a gadget for it).