fn:root

root() ➔ node()

Returns the root node (typically but not necessarily a document node) of the tree containing the context node.

There are no arguments

Result

node()

root($arg as node()?) ➔ node()?

Returns the root node (typically but not necessarily a document node) of the tree containing the supplied node.

Arguments

 

$arg

node()?

A node in the tree whose root is required

Result

node()?

Namespace

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

Links to W3C specifications

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators