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+---
+title: openNode
+name: functions-opennode
+---
+
+**function openNode(node);**
+
+**function openNode(node, slide);**
+
+**function openNode(node, on_finished);**
+
+**function openNode(node, slide, on_finished);**
+
+Open this node. The node must have child nodes.
+
+Parameter **slide (optional)**: open the node using a slide animation (default is true).
+Parameter **on_finished (optional)**: callback when the node is opened; this also works for nodes that are loaded lazily
+
+{% highlight js %}
+// create tree
+var $tree = $('#tree1');
+$tree.tree({
+ data: data
+});
+
+var node = $tree.tree('getNodeById', 123);
+$tree.tree('openNode', node);
+{% endhighlight %}
+
+To open the node without the slide animation, call with **slide** parameter is false.
+
+{% highlight js %}
+$tree.tree('openNode', node, false);
+{% endhighlight %}
+
+Example with `on_finished` callback:
+
+{% highlight js %}
+function handleOpened(node) {
+ console.log('openende node', node.name);
+}
+
+$tree.tree('openNode', node, handleOpened);
+{% endhighlight %}