tba-gx-guochan/public/static/plugins/zTree_v3/api/en/treeNode.isHidden.html

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        <h2><span>Boolean</span><span class="path">treeNode.</span>isHidden</h2>
        <h3>Overview<span class="h3_info">[ depends on <span
                class="highlight_green">jquery.ztree.exhide</span> js ]</span></h3>
        <div class="desc">
            <p></p>
            <div class="longdesc">
                <p>Judge whether the node has been hidden.</p>
                <p class="highlight_red">1. When initialize zTree, the nodes which be set 'isHidden = true' will be
                    hidden.</p>
                <p class="highlight_red"></p>
                <p class="highlight_red">2. Please don't change this attribute of the nodes which have been created. If
                    you want to hide or show nodes, please use 'hideNode() / hideNodes() / showNode() / showNodes()'
                    methods.</p>
            </div>
        </div>
        <h3>Boolean Format</h3>
        <div class="desc">
            <p> true means: this node is hidden.</p>
            <p> false means: this node is shown.</p>
        </div>
        <h3>Examples of treeNode</h3>
        <h4>1. Judge whether the first root node has been hidden.</h4>
        <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getNodes();
if (sNodes.length > 0) {
	var isHidden = sNodes[0].isHidden;
}
</code></pre>
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