removeNamedItem 2949 Source/core/dom/Element.cpp toHTMLDocument(document()).removeNamedItem(oldName); removeNamedItem 54 Source/core/dom/NamedNodeMap.h PassRefPtr<Node> removeNamedItem(const AtomicString& name, ExceptionState&); removeNamedItem 67 Source/core/html/HTMLDocument.h void removeNamedItem(const AtomicString& name);