The swapNode method enables you to swap two nodes. You can see the support for this method in Table 6.52.
Method
NS2
NS3
NS4
NS6
IE3a
IE3b
IE4
IE5
IE5.5
IE6
swapNode( node )
x
Returns: Node object
Here's how you would swap two nodes, node1 and node2 :
node1.swapNode(node2)