In the XML DOM, which property is best to use to loop through each of the nodes i nthe code snippet below?

<cars>
    <car><make>Cadillac</make><model>Escalade</model><year>2007</year></car>
    <car><make>Ford</make><model>Mustang</model><year>1968</year></car>
    <car><make>Mercedes</make><model>C-Class</model><year>2006</year></car>
</cars>