set:leading()
returns the nodes in one node-set that come before the first node in the other node-set.
Syntax
set:leading(nodeSet1, nodeSet2)
Arguments
-
nodeSet1
- The node set to find nodes in that precede the first node in the second node set.
-
nodeSet2
- The node set to compare against.
Returns
A node-set containing the nodes from nodeSet1
whose values precede the first node in nodeSet2
.
Note: If the first node in
nodeSet2
isn't contained in nodeSet1
, an empty set is returned. If nodeSet2
is empty, then the result is nodeSet1
.Defined
Gecko support
Supported in Gecko 1.9 and later.