key
The key
function returns a node-set of nodes that have the given value for the given key.
Syntax
key( keyname, value )
Parameters
Return value
A node set.
Description
- The
xsl:key
element defines what attribute on what given elements will be used to match the key.
This function is an XSLT-specific addition to XPath. It is not a part of the core XPath function library.
Specifications
Gecko support
Supported.