namespace-uri-from-QName

The namespace part of a QName

Description

The fn:namespace-uri-from-QName function returns the namespace part of an xs:QName. If you want to retrieve the namespace of an element or attribute name, you should consider using the fn:namespace-uri function instead; you cannot pass element or attribute nodes directly to this function.

Parameters	Description
arg:string()

Examples

XPath	Results
namespace-uri-from-QName(QName (’http://datypic.com/pre’, ‘prefixed’))	http://datypic.com/pre
namespace-uri-from-QName(QName (‘’, ‘unprefixed’))	zero-length xs:anyURI value
namespace-uri-from-QName( () )	()

See Also

• local-name-from-QName.

• resolve-QName.

• namespace-uri.

• namespace-uri-for-prefix.