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

<div class="apiDetail">
    <div>
        <h2><span>Number</span><span class="path">treeNode.</span>level</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>The level of node</p>
                <p class="highlight_red">Do not initialize or modify it, it is created by the zTree.</p>
            </div>
        </div>
        <h3>Number Format</h3>
        <div class="desc">
            <p class="highlight_red">The root node's level = 0, and next level = 1, ...</p>
        </div>
        <h3>Examples of treeNode</h3>
        <h4>1. Get the first selected node's level</h4>
        <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
	var level = sNodes[0].level;
}
</code></pre>
    </div>
</div>