Template:Hidden

{{{1}}}

{{{2}}}

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This template is used on approximately 350,000 pages, or roughly 1% of all pages.
To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

This template creates a dynamic navigation box using style sheet declarations in MediaWiki:Common.css and Javascript code in MediaWiki:Common.js. In a saved, rendered page this template creates a clickable link that toggles between and . It displays the first parameter (the heading) with a link on the right. If is clicked by the user, it displays the second parameter (the body) below the heading and the link becomes . Clicking on then hides the body and the link becomes again.

If this template is nested in another, the show/hide links in the hidden content keep their state; there is no parameter for collapse all or reveal all.

Generally, collapsible templates should not be used in articles. For allowable uses and other considerations, please see MOS:COLLAPSE.

Usage

Full syntax

{{Hidden
| expanded=true <!--(omit for initial hidden state)-->
| style = 
| headerstyle = 
| header = 
| contentstyle = 
| content =

|titlebgcolor= |contentbgcolor= |ta1= |ta2= |fw1= |fw2= |class= |border=
}}

Parameters

Only two parameters are required for this template:

header: text for header (title); alternative to using unnamed parameter {{{1}}}
content: text for body (content); alternative to using unnamed parameter {{{2}}}

Optional

style: CSS styling for template overall.
border: border around the template.
headerstyle: CSS styling for title (header).
contentstyle: CSS styling for the hidden content.
expanded: any nonblank value (e.g. |expanded=on) will cause the template to be initially expanded by default.
multiline: any nonblank value (e.g. |multline=y) will reduce the line-height of the title and add some padding to avoid overlap with the show/hide button.
class: add additional class attributes affecting the entire template.

Note: This template will not respect the user preference "justify paragraphs".

Examples

Basic

In this example only the two required parameters are specified.

Code	{{hidden\|Title text here\|Body text line 1<br/>Body text line 2}}
Result	Title text here Body text line 1 Body text line 2

Header background

Code	{{hidden \|Title text here \|Body text line 1<br/>Body text line 2 \|headerstyle=background:#ccccff \|style=text-align:center; }}
Result	Title text here Body text line 1 Body text line 2

CSS

Code

{{hidden
| style = border: 1px dashed red; width: 50%;
| headerstyle = background: #ccccff; font-size: 110%;
| contentstyle = text-align: center; color: green;
| header = Title text here
| content = Body text line 1<br />Body text line 2<br />Body text line 3
}}

Result

Title text here

Body text line 1
Body text line 2
Body text line 3

Issues

Show/hide button overlap

With ta1=right or a long header, the header may overlap the show/hide button:

{{Template:Hidden|Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.|def}}

→

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

def

Possible workaround is to use |multiline=y:

"{{hidden|multiline=y|Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.|def}}" gives "

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

def

"

Example with long header

abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc

def

Above example with workaround:

"{{hidden|multiline=y|abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc |def}}" gives "

abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc abc

def

"

Sections

Sections included inside a hidden block result in broken anchors in the table of contents at the top of the page.

example

You can't get here from the table of contents

Templatedata

This is the TemplateData for this template used by TemplateWizard, VisualEditor and other tools. See a monthly parameter usage report for Template:Hidden in articles based on its TemplateData.

TemplateData for Hidden

Creates a dynamic navigation box which is initially collapsed by default.

Template parameters
Parameter		Description	Type	Status
Header	`1` `header` `title`	Text for the header/title.	Unknown	optional
Content	`2` `contents` `content` `text`	Text for the content of the hidden.	Unknown	optional
Toggle	`toggle` `showhide`	no description	Unknown	optional
Expanded	`expanded` `expand`	no description	Unknown	optional
Class	`class`	Add additional class attributes affecting the entire template.	Unknown	optional
CSS	`css` `style` `framestyle`	no description	Unknown	optional
Border	`border`	Border around the template	Unknown	optional
Title background color	`titlebgcolor` `bg1` `background`	no description	Unknown	optional
Title align	`titlealign` `ta1`	no description	Unknown	optional
Multi-line	`multiline` `multi-line`	no description	Unknown	optional
Title font weight	`fw1`	no description	Unknown	optional
Header style	`headercss` `headerstyle` `titlestyle`	no description	Unknown	optional
Content background color	`contentbgcolor` `bg2`	no description	Unknown	optional
ta2	`ta2`	no description	Unknown	optional
fw2	`fw2`	no description	Unknown	optional
contentcss	`contentcss` `contentstyle`	Content style	Unknown	optional

Tracking category

Category:Hidden templates using styles (1,678) – tracks usage of parameters titlebgcolor, contentbgcolor, bg1, bg2, ta1, ta2, fw1, fw2