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<div class="apiDetail">
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<h2><span>Function()</span><span class="path">treeNode.</span>getPreNode</h2>
<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
<div class="desc">
<p></p>
<div class="longdesc">
<p>Get the treeNode's previous sibling node.</p>
<p class="highlight_red">Do not initialize or modify it, it is created by the zTree.</p>
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<h3>Function Parameter Descriptions</h3>
<div class="desc">
<h4><b>Return</b><span>JSON</span></h4>
<p>JSON data object of the treeNode's previous sibling node</p>
<p class="highlight_red">If have not the previous node, return null.</p>
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<h3>Examples of treeNode</h3>
<h4>1. Get the first selected node's previous sibling node.</h4>
<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
var node = sNodes[0].getPreNode();
}
</code></pre>
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