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The Attr object
The Attr object represents an attribute of an Element object. The allowable values for attributes are usually defined in a DTD.
Because the Attr object is also a Node, it inherits the Node object's properties and methods. However, an attribute does not have a parent node and is not considered to be a child node of an element, and will return null for many of the Node properties.
IE: Internet Explorer, F: Firefox, O: Opera, W3C: World Wide Web Consortium (Internet Standard)
Attr Object Properties
| Property | Description | IE | F | O | W3C |
|---|---|---|---|---|---|
| baseURI | Returns the absolute base URI of the attribute | No | 1 | No | Yes |
| isId | Returns true if the attribute is known to be of type ID, otherwise it returns false | No | No | No | Yes |
| localName | Returns the local part of the name of the attribute | No | 1 | 9 | Yes |
| name | Returns the name of the attribute | 5 | 1 | 9 | Yes |
| namespaceURI | Returns the namespace URI of the attribute | No | 1 | 9 | Yes |
| nodeName | Returns the name of the node, depending on its type | 5 | 1 | 9 | Yes |
| nodeType | Returns the type of the node | 5 | 1 | 9 | Yes |
| nodeValue | Sets or returns the value of the node, depending on its type | 5 | 1 | 9 | Yes |
| ownerDocument | Returns the root element (document object) for an attribute | 5 | 1 | 9 | Yes |
| ownerElement | Returns the element node the attribute is attached to | No | 1 | 9 | Yes |
| prefix | Sets or returns the namespace prefix of the attribute | No | 1 | 9 | Yes |
| schemaTypeInfo | Returns the type information associated with this attribute | No | No | No | Yes |
| specified | Returns true if the attribute value is set in the document, and false if it's a default value in a DTD/Schema. | 5 | 1 | 9 | Yes |
| textContent | Sets or returns the textual content of an attribute | No | 1 | 9 | Yes |
| text | Returns the text of the attribute. IE-only property | 5 | No | No | No |
| value | Sets or returns the value of the attribute | 5 | 1 | 9 | Yes |
| xml | Returns the XML of the attribute. IE-only property | 5 | No | No | No |
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