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Common DOM API | |||||||||
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public interface HTMLCollection
An HTMLCollection is a list of nodes. An individual node may
be accessed by either ordinal index or the node'sname or
id attributes. Note: Collections in the HTML DOM are assumed
to be live meaning that they are automatically updated when the
underlying document is changed.
See also the Document Object Model (DOM) Level 2 Specification.
| Method Summary | |
|---|---|
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. |
| Method Detail |
|---|
int getLength()
Node item(int index)
index - The index of the node to be fetched. The index origin is
0.
Node at the corresponding position upon
success. A value of null is returned if the index is
out of range.Node namedItem(String name)
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.
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 .
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