public interface NodeList
NodeListinterface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented.
NodeListobjects in the DOM are live.
The items in the
NodeList are accessible via an integral
index, starting from 0.
See also the Document Object Model (DOM) Level 2 Core Specification.
Node item(int index)
indexth item in the collection. If
indexis greater than or equal to the number of nodes in the list, this returns
indexIndex- into the collection.
indexth position in the
nullif that is not a valid index.