display the treeData structure in reverse order

[bci24]

It is possible to display the treeData structure in reverse order ?

[{text: 'node 2', children: [{text: 'node 2-1'}]}]

to this

[{text: 'node 2-1', children: [{text: 'node 2'}]}]

[phphe]

I will publish he-tree new version. It support display from bottom to top.