The NodeIterator object is a "live" list of nodes that meet the criteria defined by the document.createNodeIterator( ) method. The list is a

See these properties of the TreeWalker object.

Disconnects the current NodeIterator object from the document tree. Items in the list are no longer accessible once the method is invoked.

Moves the internal NodeIterator pointer one position forward ( nextNode( ) ) or backward ( previousNode( ) ), while returning a reference to the