fn:namespace-uri-from-QName

Extracts the namespace URI component of a QName value.

namespace-uri-from-QName($arg as xs:QName?) ➔ xs:anyURI?

Arguments

 

$arg

xs:QName?

The QName value whose URI component is required

Result

xs:anyURI?

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 3.1 Functions and Operators