6 Load the node data from this url.
10 dataUrl: '/example_data.json'
14 You can also set the **data-url** attribute on the dom element:
17 <div id="tree1" data-url="/example_data.json"></div>
23 You can set additional [jquery ajax options](http://api.jquery.com/jQuery.ajax/) in an object:
28 url: '/example_data.json',
29 headers: {'abc': 'def'}
34 Or you can use a function:
38 dataUrl: function(node) {
40 url: '/example_data.json',
41 headers: {'abc': 'def'}