Template:Yesno

This template is used on many 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.

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This template was ported from a template from Wikipedia. It was originally at Template:Yesno. The original authors of this template are shown on the template's edit history page.
This template's documentation was also ported from Wikipedia, originally from Template:Yesno/doc. The original authors of the documentation are shown on the documentation's edit history page.
Wikipedia's text is available under the Creative Commons Attribution-ShareAlike 3.0 Unported License.

{{Yesno}} evaluates any input and produces a normalized yes or nil output, based on the content of the input and several configurable options. It is not used in article prose, but in coding complex templates.

Usage

The template distinguishes five different types of input, supplied on the first unnamed parameter:

1. Yes: Case-insensitive forms of Yes, y, true, on, and 1; e.g. {{Yesno|yEs}} → yes
2. No: Case-insensitive forms of No, n, false, off, and 0; e.g. {{Yesno|nO}} →
3. Nothing: When the input is defined but either contains no value or consists of whitespace character only; i.e. {{Yesno|}} or {{Yesno| }} →
4. Negation: When the input is either ¬ (alt code 170) or entirely missing; i.e. {{Yesno|¬}} or {{Yesno}} →
5. Anything else: e.g. {{Yesno|Purple monkey dish washer}} → yes

By default, the template returns "yes" in the first and last case but returns nil (blank, empty string) in the other cases.

Customizing the output

Template's default output can be customized with five named parameters, respectively: |yes=, |no=, |blank=, |¬= and |def=. If these parameters are specified, the template response is as follows:

1. Yes: Template returns the contents of |yes=, otherwise returns "yes". For example:
   • {{yesno|y|yes=Yeah}} results in "Yeah"
   • {{yesno|y|yes=bacon}} results in "bacon"
2. No: Template returns the contents of |no=, otherwise returns blank. For example:
   • {{yesno|n|no=Nay}} results in "Nay"
   • {{yesno|n|no=ham}} results in "ham"
3. Nothing: Template returns the contents of |blank=, or of |no= in absence of the former; otherwise, returns blank.
   • {{yesno|blank=eggs}} results in "eggs"
   • {{yesno|no=ham}} results in "ham"
   • {{yesno|blank=eggs|no=ham}} results in "eggs"
4. Negation: Template returns the contents of |¬=, otherwise returns blank. For example:
   • {{yesno|¬|¬=sausage}} results in "sausage"
5. Anything else: Template returns the contents of |def=, or of |yes= in absence of the former; otherwise, returns "yes".
   • {{yesno|purple monkey dish washer|def=cup of tea}} results in "cup of tea"
   • {{yesno|purple monkey dish washer|yes=bacon}} results in "bacon"
   • {{yesno|purple monkey dish washer|def=cup of tea|yes=bacon}} results in "cup of tea"

For the named parameters, use of a blank value is not the same as omitting the parameter. A blank named parameter tells the template that the customized return value is blank. For example:

• {{yesno|purple monkey dish washer}} results in "yes"
• {{yesno|purple monkey dish washer|def=}} results in "" [blank]

The above documentation is transcluded from Template:Yesno/doc. (Edit | Page history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.