layui 的nav导航 事件监控，获取DOM元素
<body >
<ul class="layui-nav layui-nav-tree" lay-filter="leftNav">
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;"><i class="iconfont"></i>菜单管理</a>
<dl class="layui-nav-child">
<dd><a href="javascript:;" data-url="menu1.html" data-id='1' data-text="后台菜单"><span class="l-line"></span>后台菜单</a></dd>
<dd><a href="javascript:;" data-url="menu2.html" data-id='2' data-text="前台菜单"><span class="l-line"></span>前台菜单</a></dd>
</dl>
</li>
<li class="layui-nav-item">
<a href="javascript:;"><i class="iconfont"></i>内容管理</a>
<dl class="layui-nav-child">
<dd><a href="javascript:;" data-url="article-list.html" data-id='3' data-text="文章管理"><span class="l-line"></span>文章管理</a></dd>
<dd><a href="javascript:;" data-url="danye-list.html" data-id='9' data-text="单页管理"><span class="l-line"></span>单页管理</a></dd>
</dl>
</li>
</ul>
<script src="static/layui.js" type="text/javascript" charset="utf-8"></script>
<script src="static/xqb_js/common.js" type="text/javascript" charset="utf-8"></script>
<script>
layui.use(['form', 'layedit', 'laydate','element','jquery'], function() {
var form = layui.form,
layer = layui.layer,
element=layui.element,
$=layui.jquery;
element.on('nav(leftNav)', function(elem) {
var id = elem.attr('data-id');
var url = elem.attr('data-url');
var text = elem.attr('data-text');
console.log(text);
});
});
</script>
</body>
