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2026-09-09T14:59:09Z

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wikipedia>GKNishimoto: Correction to the description of the first parameter and repositioning of the section.

2026-04-02T20:37:08Z

Correction to the description of the first parameter and repositioning of the section.

New page

{{Documentation subpage}}
{{High-use}}
{{Lua|Module:If preview}}

This is a template that helps other templates determine if they are being previewed or not, and do or display different things accordingly.

== Usage ==
<code><nowiki>{{If preview|value if being previewed|value if not being previewed}}</nowiki></code>

<code><nowiki>{{If preview|1=value if being previewed|2=value if not being previewed}}</nowiki></code>

The first parameter is returned if the page is being previewed, otherwise the second parameter will be returned. Either parameter may be empty.

==Examples==
Preview this page to see the effect of previewing on the 'Example' column.
{|class=wikitable
!Code
!Example
!Value when previewed
!Value when saved
|-
|<code><nowiki>{{If preview|Yes|No}}</nowiki></code> <code><nowiki>{{If preview|1=Yes|2=No}}</nowiki></code>
|{{If preview|Yes|No}} {{If preview|1=Yes|2=No}}
|Yes
|No
|-
|<code><nowiki>{{If preview|Red}}</nowiki></code> <code><nowiki>{{If preview|1=Red}}</nowiki></code>
|{{If preview|Red}} {{If preview|1=Red}}
|Red
|
|-
|<code><nowiki>{{If preview||Blue}}</nowiki></code> <code><nowiki>{{If preview|2=Blue}}</nowiki></code>
|{{If preview||Blue}} {{If preview|2=Blue}}
|
|Blue
|}

== TemplateData ==
{{TemplateData header}}
<templatedata>
{
"params": {
"1": {
"label": "1",
"description": "value if being previewed",
"type": "content"
},
"2": {
"label": "2",
"description": "value if not being previewed",
"type": "content"
}
},
"description": "This is a template that helps other templates determine if they are being previewed or not, and do or display different things accordingly.\n\nThe first parameter is returned if the page is being previewed, otherwise the second parameter will be returned. Either parameter may be empty.",
"format": "inline"
}
</templatedata>

==See also==
* {{Tl|Preview warning}}

<includeonly>{{Sandbox other||

[[Category:If-then-else templates]]

}}</includeonly><noinclude>
</noinclude>

Template:If preview/doc - Revision history

Deleatur yhe: 1 revision imported

wikipedia>GKNishimoto: Correction to the description of the first parameter and repositioning of the section.