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DOM Examples DOM ValidatorXML DOM - The NamedNodeMap Object
The NamedNodeMap object represents an unordered list of nodes.
The NamedNodeMap object
The nodes in the NamedNodeMap can be accessed through their name.
The NamedNodeMap keeps itself up-to-date. If an element is deleted or added, in the node list or the XML document, the list is automatically updated.
Note: In a named node map, the nodes are not returned in any particular order.
IE: Internet Explorer, F: Firefox, O: Opera, W3C: World Wide Web Consortium (Internet Standard)
NamedNodeMap Object Properties
| Property | Description | IE | F | O | W3C |
|---|---|---|---|---|---|
| length | Returns the number of nodes in the list | 5 | 1 | 9 | Yes |
NamedNodeMap Object Methods
| Method | Description | IE | F | O | W3C |
|---|---|---|---|---|---|
| getNamedItem() | Returns the specified node (by name) | 5 | 1 | 9 | Yes |
| getNamedItemNS() | Returns the specified node (by name and namespace) | 9 | Yes | ||
| item() | Returns the node at the specified index | 5 | 1 | 9 | Yes |
| removeNamedItem() | Removes the specified node (by name) | 6 | 1 | 9 | Yes |
| removeNamedItemNS() | Removes the specified node (by name and namespace) | 9 | Yes | ||
| setNamedItem() | Sets the specified node (by name) | 9 | Yes | ||
| setNamedItemNS() | Sets the specified node (by name and namespace) | 9 | Yes |
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