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---
title: loadData
name: functions-loaddata
---
**function loadData(data);**
**function loadData(data, parent_node);**
Load data in the tree. The data is array of nodes.
You can **replace the whole tree** or you can **load a subtree**.
{% highlight js %}
// Assuming the tree exists
var new_data = [
{
name: 'node1',
children: [
{ name: 'child1' },
{ name: 'child2' }
]
},
{
name: 'node2',
children: [
{ name: 'child3' }
]
}
];
$('#tree1').tree('loadData', new_data);
{% endhighlight %}
Load a subtree:
{% highlight js %}
// Get node by id (this assumes that the nodes have an id)
var node = $('#tree1').tree('getNodeById', 100);
// Add new nodes
var data = [
{ name: 'new node' },
{ name: 'another new node' }
];
$('#tree1').tree('loadData', data, node);
{% endhighlight %}
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