org.w3c.dom.html
Interface HTMLCollection
public interface HTMLCollection
An HTMLCollection is a list of nodes. An individual nodemay be
accessed by either ordinal index or the node'sname or
id attributes. Note:Collections in the HTML DOM are assumed
to be live meaningthat they are automatically updated when the underlying
document ischanged.
int | getLength()- This attribute specifies the length or size of the list.
|
Node | item(int index)- This method retrieves a node specified by ordinal index.
|
Node | namedItem(String name)- This method retrieves a
Node using a name.
|
getLength
public int getLength()
This attribute specifies the length or size of the list.
item
public Node item(int index)
This method retrieves a node specified by ordinal index. Nodes are
numbered in tree order (depth-first traversal order).
index - The index of the node to be fetched. The index origin is 0.
- The
Node at the corresponding position upon success.
A value of null is returned if the index is out of range.
namedItem
public Node namedItem(String name)
This method retrieves a Node using a name. It first searches
for a Node with a matching id attribute. If it
doesn't find one, it then searches for a Node with a
matching name attribute, but only on those elements that
are allowed a name attribute.
name - The name of the Node to be fetched.
- The
Node with a name or id
attribute whose value corresponds to the specified string. Upon
failure (e.g., no node with this name exists), returns
null.
Copyright B) 2004 Apache XML Project. All Rights Reserved.