Definition
DOM Standard defines XPathResult
[Exposed=Window]
interface XPathResult {
const unsigned short ANY_TYPE = 0;
const unsigned short NUMBER_TYPE = 1;
const unsigned short STRING_TYPE = 2;
const unsigned short BOOLEAN_TYPE = 3;
const unsigned short UNORDERED_NODE_ITERATOR_TYPE = 4;
const unsigned short ORDERED_NODE_ITERATOR_TYPE = 5;
const unsigned short UNORDERED_NODE_SNAPSHOT_TYPE = 6;
const unsigned short ORDERED_NODE_SNAPSHOT_TYPE = 7;
const unsigned short ANY_UNORDERED_NODE_TYPE = 8;
const unsigned short FIRST_ORDERED_NODE_TYPE = 9;
readonly attribute unsigned short resultType;
readonly attribute unrestricted double numberValue;
readonly attribute DOMString stringValue;
readonly attribute boolean booleanValue;
readonly attribute Node? singleNodeValue;
readonly attribute boolean invalidIteratorState;
readonly attribute unsigned long snapshotLength;
Node? iterateNext();
Node? snapshotItem(unsigned long index);
};