DOM traversal techniques node API

Walk in html dom with recursive function.

    TraversDomTree(node){
            console.log(node);
          for(node=node.firstChild;node!=null;node=node.nextSibling){
            TraversDomTree(node);
           }    
     }           

To Implement,

         TraversDomTree(document);
         OR
         TraversDomTree(div);
         OR
        TraversDomTree(ul);
        OR
        var node= Document.getElementById('idname');
        TraversDomTree(node);