
fn:in-scope-prefixes( $element as element() ) as xs:string*
Returns the prefixes of the in-scope namespaces for $element. For namespaces that have a prefix, it returns the prefix as an xs:NCName. For the default namespace, which has no prefix, it returns the zero-length string.
| Parameters | |
|---|---|
| element | The element whose in-scope prefixes will be returned. | 
xquery version "1.0-ml";
declare namespace a="a";
declare namespace b="b";
let $x := <a:hello>hello
            <b:goodbye>goodbye</b:goodbye>
	  </a:hello>
return
fn:in-scope-prefixes($x)
=> ("a", "xml")
xquery version "1.0-ml";
declare namespace a="a";
declare namespace b="b";
let $x := <a:hello>hello
            <b:goodbye>goodbye</b:goodbye>
	  </a:hello>
return
fn:in-scope-prefixes($x/b:goodbye)
=> ("b", "a", "xml")