PassRefPtr<Attr> getAttributeNode(const AtomicString& name);
PassRefPtr<Attr> getAttributeNodeNS(const AtomicString& namespaceURI, const AtomicString& localName);
PassRefPtr<Attr> setAttributeNode(Attr*, ExceptionState&);
+ PassRefPtr<Attr> setAttributeNodeNS(Attr*, ExceptionState&);
PassRefPtr<Attr> removeAttributeNode(Attr*, ExceptionState&);
PassRefPtr<Attr> attrIfExists(const QualifiedName&);