<P> There can be other XML nodes outside of the root element . In particular, the root element may be preceded by a prolog, which itself may consist of an XML declaration, optional comments, processing instructions and whitespace, followed by an optional DOCTYPE declaration and more optional comments, processing instructions and whitespace . After the root element there may be further optional comments, processing instructions and whitespace within the document . </P> <P> Within the root element, apart from any number of attributes and other elements, there may also be more optional text, comments, processing instructions and whitespace . </P> <P> A more expanded example of an XML document follows, demonstrating some of these extra nodes along with a single rootElement element . </P>

What is the root element of the dom on a web page