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< div class = "apiDetail" >
< div >
< h2 > < span > Boolean< / span > < span class = "path" > treeNode.< / span > isFirstNode< / h2 >
< h3 > 概述< span class = "h3_info" > [ 依赖 < span class = "highlight_green" > jquery.ztree.core< / span > 核心 js ]< / span > < / h3 >
< div class = "desc" >
< p > < / p >
< div class = "longdesc" >
< p > 记录 treeNode 节点是否为同级节点中的第一个节点。< / p >
< p class = "highlight_red" > 使用 exhide 扩展后，只针对显示的节点设置此属性< / p >
< p class = "highlight_red" > 初始化节点数据时，由 zTree 增加此属性，请勿提前赋值< / p >
< / div >
< / div >
< h3 > Boolean 格式说明< / h3 >
< div class = "desc" >
< p > true 表示是同级节点中的第一个节点< / p >
< p > false 表示不是同级节点中的第一个节点< / p >
< p class = "highlight_red" > 节点被隐藏后， < / p >
< / div >
< h3 > treeNode 举例< / h3 >
< h4 > 1. 查看当前被选中的节点是否是同级节点中的第一个节点< / h4 >
< pre xmlns = "" > < code > var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
var isFirstNode = sNodes[0].isFirstNode;
}
< / code > < / pre >
< / div >
< / div >