root

root() → node()

There are no arguments

Result

node()

root($arg as node()?) → node()?

Arguments

 

$arg

node()?

A node in the tree whose root is required

Result

node()?

Links to W3C specifications

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

Applies to: XPath 2.0, XSLT 2.0, XQuery 1.0 and later versions

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators

Notes on the Saxon implementation