html dom w3c dom Node w3c dom Text w3c dom html HTMLTitleElement htmltitleelementimpl htmlelementimpl htmltitleelement serialversionuid l gettext node child stringbuffer text stringbuffer child getfirstchild child child text text.append text child getdata child child.getnextsibling text.tostring settext text node child node child getfirstchild child child.getnextsibling removechild child child insertbefore createtextnode text getfirstchild htmltitleelementimpl htmldocumentimpl owner name owner name