public interface HTMLCollection extends Indexable
HTMLCollection
is an interface representing a generic collection of elements (in document order) and offers methods and properties for traversing the list.
HTMLCollection
for historical reasons (before DOM4, collections implementing this interface could only have HTML elements as their items).HTMLCollection
s in the HTML DOM are live; they are automatically updated when the underlying document is changed.
Modifier and Type | Method and Description |
---|---|
int |
getLength()
The number of items in the collection.
|
Node |
item(int index)
Returns the specific node at the given zero-based
index into the list. |
Node |
namedItem(String name)
Returns the specific node whose ID or, as a fallback, name matches the string specified by
name . |
int getLength()
Node item(int index)
index
into the list. Returns null
if the index
is out of range.Node namedItem(String name)
name
. Matching by name is only done as a last resort, only in HTML, and only if the referenced element supports the name
attribute. Returns null
if no node exists by the given name.Copyright © 2018. All rights reserved.