Bruger:John.St/Kladde8/doc
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Template that returns an error message if the first argument is not valid for use with other nuclide templates helper templates.
Usage
[redigér | rediger kildetekst]When using a string that is not a valid element name or symbol or "x" or "element", an error message is returned, like so:
{{CheckElement|C}}will return ""{{CheckElement|Carbon}}will return ""{{CheckElement|Blablabla}}will return "unknown element Blablabla."
The "link=yes" argument is also supported; if the element name or symbol has no associated link, an error message is returned, like so:
{{CheckElement|link=yes|C}}will return ""{{CheckElement|link=yes|Carbon}}will return ""{{CheckElement|link=yes|X}}will return "The generic element 'X' does not have a page to link to."
When using a common name for an element that goes against the Wikipedia style guide for element names, a warning message will be returned. There are currently three such names:
{{CheckElement|Aluminum}}will return "Aluminum is not a valid way to spell aluminium."{{CheckElement|Sulphur}}will return "Sulphur is not a valid way to spell sulfur."{{CheckElement|Cesium}}will return "Cesium is not a valid way to spell caesium."
This template can be used in other templates to check for error before calling other templates that require a valid element or symbol like so:
{{#ifexpr:{{CheckElement|{{{element argument}}}|link={{{link|}}} }}
| {{Element|{{{element argument}}} }} is the best element in the whole world
| Bad input for element name or symbol
}}
See also
[redigér | rediger kildetekst]- {{LinkForElement}}
- {{SymbolForElement}}
- {{ProtonsForElement}}
- {{NeutronsForElement}}