Template:If preview/sandbox

__EXPECTUNUSEDTEMPLATE__This is the template sandbox page for Template:If preview (diff).
See also the companion subpage for test cases.

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This template is used on approximately 60,000 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

This template uses Lua:

Module:If preview (sandbox)

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

Usage

{{If preview|value if being previewed|value if not being previewed}}

{{If preview|1=value if being previewed|2=value if not being previewed}}

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.

Code	Example	Value when previewed	Value when saved
`{{If preview\|Yes\|No}}` `{{If preview\|1=Yes\|2=No}}`	No No	Yes	No
`{{If preview\|Red}}` `{{If preview\|1=Red}}`		Red
`{{If preview\|\|Blue}}` `{{If preview\|2=Blue}}`	Blue Blue		Blue