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