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public interface HTMLCollectionAnHTMLCollectionis a list of nodes. An individual node may be accessed by either ordinal index or the node'snameoridattributes. 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.
- Since:
- 1.4, DOM Level 2
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description intgetLength()This attribute specifies the length or size of the list.Nodeitem(int index)This method retrieves a node specified by ordinal index.NodenamedItem(String name)This method retrieves aNodeusing a name.
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Method Detail
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getLength
int getLength()
This attribute specifies the length or size of the list.
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item
Node item(int index)
This method retrieves a node specified by ordinal index. Nodes are numbered in tree order (depth-first traversal order).- Parameters:
index- The index of the node to be fetched. The index origin is 0.- Returns:
- The
Nodeat the corresponding position upon success. A value ofnullis returned if the index is out of range.
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namedItem
Node namedItem(String name)
This method retrieves aNodeusing a name. It first searches for aNodewith a matchingidattribute. If it doesn't find one, it then searches for aNodewith a matchingnameattribute, but only on those elements that are allowed a name attribute.- Parameters:
name- The name of theNodeto be fetched.- Returns:
- The
Nodewith anameoridattribute whose value corresponds to the specified string. Upon failure (e.g., no node with this name exists), returnsnull.
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