badahutong.com

Please help with TreeSorter. I cant find any information about that.
How can I sort my nodes by attributes?

JSON:
[{"id": "1", "text": "Node 1", "attr" : "100"},
{"id": "2", "text": "Node 2", "attr" : "150"},
{"id": "3", "text": "Node 3", "attr" : "140"}]

JS:
var sorter = new Ext.tree.TreeSorter(tree,
sortType: function(){
... sort by attr ...
}
);

What sortType function input?
What output?
How does it work?
How sort by "attr".

Please, any work sample.
:((:((:((

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