The XPathNamespace interface is returned by
XPathResult interfaces to represent the XPath namespace node
type that DOM lacks. There is no public constructor for this node type.
Attempts to place it into a hierarchy or a NamedNodeMap result in a
DOMException with the code HIERARCHY_REQUEST_ERR
. This node is read only, so methods or setting of attributes that would
mutate the node result in a DOMException with the code
NO_MODIFICATION_ALLOWED_ERR.
The core specification describes attributes of the Node
interface that are different for different node node types but does not
describe XPATH_NAMESPACE_NODE, so here is a description of
those attributes for this node type. All attributes of Node
not described in this section have a null or
false value.
ownerDocument matches the ownerDocument of the
ownerElement even if the element is later adopted.
prefix is the prefix of the namespace represented by the
node.
nodeName is the same as prefix.
nodeType is equal to XPATH_NAMESPACE_NODE.
namespaceURI is the namespace URI of the namespace
represented by the node.
adoptNode, cloneNode, and
importNode fail on this node type by raising a
DOMException with the code NOT_SUPPORTED_ERR.In
future versions of the XPath specification, the definition of a namespace
node may be changed incomatibly, in which case incompatible changes to
field values may be required to implement versions beyond XPath 1.0.
See also the Document Object Model (DOM) Level 3 XPath Specification.
This implementation wraps the DOM attribute node that contained the
namespace declaration.
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