fn:root
Returns the root node (typically but not necessarily a document node) of the tree containing a node.
root($node as gnode()?:=.) ➔ gnode()?
Arguments | ||||
| $node | gnode()? | := . | A node in the tree whose root is required |
Result | gnode()? | |||
Namespace
http://www.w3.org/2005/xpath-functions
Links to W3C specifications
XPath 3.1 Functions and Operators
XPath 4.0 Functions and Operators
Saxon availability
Available in XPath 2.0, XSLT 2.0, XQuery 1.0, and later versions. Available in all Saxon editions. Available for all platforms.