Name
XPathResult.snapshotItem( ): return a node that matches an XPath query
Synopsis
Node snapshotItem(index)Arguments
-
index The index of the node to be returned.
Returns
The node at the specified index, or null if the index is less than zero or
greater than or equal to snapshotLength.
Throws
This method throws an exception if resultType is not UNORDERED_NODE_SNAPSHOT_TYPE or ORDERED_NODE_SNAPSHOT_TYPE.
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