The NodeList
interface provides the abstraction of an ordered
collection of nodes, without defining or constraining how this collection
is implemented. NodeList
objects 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 3 Core Specification.
Public Method Summary
abstract int |
getLength()
The number of nodes in the list.
|
abstract Node |
item(int index)
Returns the
index th item in the collection. |
Public Methods
public abstract int getLength ()
The number of nodes in the list. The range of valid child node indices
is 0 to length-1
inclusive.
public abstract Node item (int index)
Returns the index
th item in the collection. If
index
is greater than or equal to the number of nodes in
the list, this returns null
.
Parameters
index | Index into the collection. |
---|
Returns
- The node at the
index
th position in theNodeList
, ornull
if that is not a valid index.