In this example we load the data using the data option. As you can see, the data is an array of objects.
<div id="tree1"></div>
var data = [
{
label: 'node1',
children: [
{ label: 'child1' },
{ label: 'child2' }
]
},
{
label: 'node2',
children: [
{ label: 'child3' }
]
}
];
$('#tree1').tree({
data: data
});