Returns the next node in the set and advances the position of the iterator in the set. After a NodeIterator is created, the first call to nextNode() returns the first node in the set.
public Node NextNode()
The next Node in the set being iterated over, or null if there are no more members in that set.
|DOMException||INVALID_STATE_ERR: Raised if this method is called after the detach method was invoked.|