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console 命令行工具 X clear

                    
>
console
(function(){
layui.use(['element'], function() {
  var element = layui.element;
  element.init();
  element.render('nav');
  element.on('nav(menu)', function(data) {
    console.log('点击了');
  });

});

}());
<div class="layui-layout layui-layout-admin">
  <div class="layui-header">
    <!-- 头部区域 -->
    <ul class="layui-nav layui-layout-left">
      <li class="layui-nav-item layadmin-flexible" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="flexible" title="侧边伸缩">
          <i class="layui-icon layui-icon-shrink-right" id="LAY_app_flexible">
          </i>
        </a>
      </li>
      <li class="layui-nav-item layui-hide-xs" lay-unselect="">
        <a href="http://www.layui.com/admin/" target="_blank" title="前台">
          <i class="layui-icon layui-icon-website">
          </i>
        </a>
      </li>
      <li class="layui-nav-item" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="refresh" title="刷新">
          <i class="layui-icon layui-icon-refresh-3">
          </i>
        </a>
      </li>
    </ul>
    <ul class="layui-nav layui-layout-right" lay-filter="layadmin-layout-right">
      <li class="layui-nav-item" lay-unselect="">
        <a lay-href="app/message/" layadmin-event="message">
          <i class="layui-icon layui-icon-notice">
          </i>
          <span class="layui-badge-dot">
          </span>
        </a>
      </li>
      <li class="layui-nav-item layui-hide-xs" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="theme">
          <i class="layui-icon layui-icon-theme">
          </i>
        </a>
      </li>
      <li class="layui-nav-item layui-hide-xs" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="note">
          <i class="layui-icon layui-icon-note">
          </i>
        </a>
      </li>
      <li class="layui-nav-item" lay-unselect="">
        <span class="layui-nav-more">
        </span>
        <dl class="layui-nav-child">
          <dd>
            <a lay-href="set/base/website">
              基本资料
            </a>
          </dd>
          <dd>
            <a lay-href="set/security/">
              安全设置
            </a>
          </dd>
          <hr>
          <dd layadmin-event="logout" style="text-align: center;">
            <a>
              退出
            </a>
          </dd>
        </dl>
      </li>
      <li class="layui-nav-item layui-hide-xs" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="about">
          <i class="layui-icon layui-icon-more-vertical">
          </i>
        </a>
      </li>
      <li class="layui-nav-item layui-show-xs-inline-block layui-hide-sm" lay-unselect="">
        <a href="javascript:void(0);" layadmin-event="more">
          <i class="layui-icon layui-icon-more-vertical">
          </i>
        </a>
      </li>
    </ul>
  </div>
  <div class="layui-side layui-side-menu">
    <div class="layui-side-scroll">
      <div class="layui-logo" lay-href="">
        <span>
          layuiAdmin Pro
        </span>
      </div>
      <ul class="layui-nav layui-nav-tree" lay-shrink="all" id="LAY-system-side-menu"
      lay-filter="layadmin-system-side-menu">
        <li data-name="component" data-jump="" class="layui-nav-item layui-nav-itemed">
          <a href="javascript:void(0);" lay-tips="组件" lay-direction="2">
            <i class="layui-icon layui-icon-component">
            </i>
            <cite>
              组件
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="grid" data-jump="">
              <a href="javascript:void(0);">
                栅格
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="list" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/grid/list">
                    等比例列表排列
                  </a>
                </dd>
                <dd data-name="mobile" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/grid/mobile">
                    按移动端排列
                  </a>
                </dd>
                <dd data-name="mobile-pc" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/grid/mobile-pc">
                    移动桌面端组合
                  </a>
                </dd>
                <dd data-name="all" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/grid/all">
                    全端复杂组合
                  </a>
                </dd>
                <dd data-name="stack" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/grid/stack">
                    低于桌面堆叠排列
                  </a>
                </dd>
                <dd data-name="speed-dial" data-jump="">
                  <a href="javascript:;" lay-href="component/grid/speed-dial">
                    九宫格
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="button" data-jump="">
              <a href="javascript:void(0);" lay-href="component/button/">
                按钮
              </a>
            </dd>
            <dd data-name="form" data-jump="">
              <a href="javascript:void(0);">
                表单
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="element" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/form/element">
                    表单元素
                  </a>
                </dd>
                <dd data-name="group" data-jump="">
                  <a href="javascript:;" lay-href="component/form/group">
                    表单组合
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="nav" data-jump="">
              <a href="javascript:void(0);" lay-href="component/nav/">
                导航
              </a>
            </dd>
            <dd data-name="tabs" data-jump="">
              <a href="javascript:;" lay-href="component/tabs/">
                选项卡
              </a>
            </dd>
            <dd data-name="progress" data-jump="">
              <a href="javascript:void(0);" lay-href="component/progress/">
                进度条
              </a>
            </dd>
            <dd data-name="panel" data-jump="">
              <a href="javascript:;" lay-href="component/panel/">
                面板
              </a>
            </dd>
            <dd data-name="badge" data-jump="">
              <a href="javascript:;" lay-href="component/badge/">
                徽章
              </a>
            </dd>
            <dd data-name="timeline" data-jump="">
              <a href="javascript:;" lay-href="component/timeline/">
                时间线
              </a>
            </dd>
            <dd data-name="anim" data-jump="">
              <a href="javascript:void(0);" lay-href="component/anim/">
                动画
              </a>
            </dd>
            <dd data-name="auxiliar" data-jump="">
              <a href="javascript:void(0);" lay-href="component/auxiliar/">
                辅助
              </a>
            </dd>
            <dd data-name="layer" data-jump="">
              <a href="javascript:void(0);">
                通用弹层
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="list" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/layer/list">
                    功能演示
                  </a>
                </dd>
                <dd data-name="special-demo" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/layer/special-demo">
                    特殊示例
                  </a>
                </dd>
                <dd data-name="theme" data-jump="">
                  <a href="javascript:void(0);" lay-href="component/layer/theme">
                    风格定制
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="laydate" data-jump="">
              <a href="javascript:void(0);" lay-href="component/laydate/">
                日期时间
              </a>
            </dd>
            <dd data-name="table" data-jump="">
              <a href="javascript:void(0);" lay-href="component/table/">
                表格
              </a>
            </dd>
            <dd data-name="laypage" data-jump="">
              <a href="javascript:void(0);" lay-href="component/laypage/">
                分页
              </a>
            </dd>
            <dd data-name="upload" data-jump="">
              <a href="javascript:void(0);" lay-href="component/upload/">
                上传
              </a>
            </dd>
            <dd data-name="carousel" data-jump="">
              <a href="javascript:;" lay-href="component/carousel/">
                轮播
              </a>
            </dd>
            <dd data-name="laytpl" data-jump="">
              <a href="javascript:void(0);" lay-href="component/laytpl/">
                模板引擎
              </a>
            </dd>
            <dd data-name="flow" data-jump="">
              <a href="javascript:void(0);" lay-href="component/flow/">
                流加载
              </a>
            </dd>
            <dd data-name="util" data-jump="">
              <a href="javascript:;" lay-href="component/util/">
                工具
              </a>
            </dd>
            <dd data-name="code" data-jump="">
              <a href="javascript:void(0);" lay-href="component/code/">
                代码修饰
              </a>
            </dd>
            <dd data-name="layim" data-jump="senior/im/">
              <a href="javascript:void(0);" lay-href="senior/im/">
                即时聊天
              </a>
            </dd>
          </dl>
        </li>
        <li data-name="template" data-jump="" class="layui-nav-item ">
          <a href="javascript:void(0);" lay-tips="模板" lay-direction="2">
            <i class="layui-icon layui-icon-template">
            </i>
            <cite>
              模板
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="user" data-jump="">
              <a href="javascript:void(0);">
                用户相关
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="reg" data-jump="user/reg">
                  <a href="javascript:;" lay-href="user/reg">
                    注册
                  </a>
                </dd>
                <dd data-name="login" data-jump="user/login">
                  <a href="javascript:void(0);" lay-href="user/login">
                    登入
                  </a>
                </dd>
                <dd data-name="forget" data-jump="user/forget">
                  <a href="javascript:;" lay-href="user/forget">
                    忘记密码
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="tips" data-jump="">
              <a href="javascript:void(0);">
                提示页面
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="404" data-jump="">
                  <a href="javascript:void(0);" lay-href="template/tips/404">
                    404
                  </a>
                </dd>
                <dd data-name="error" data-jump="">
                  <a href="javascript:void(0);" lay-href="template/tips/error">
                    错误提示
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="" data-jump="">
              <a href="javascript:;">
                内嵌页面
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="" data-jump="/iframe/link/baidu">
                  <a href="javascript:void(0);" lay-href="/iframe/link/baidu">
                    百度一下
                  </a>
                </dd>
                <dd data-name="" data-jump="/iframe/link/layui">
                  <a href="javascript:void(0);" lay-href="/iframe/link/layui">
                    layui官网
                  </a>
                </dd>
                <dd data-name="" data-jump="/iframe/link/layuiAdmin">
                  <a href="javascript:void(0);" lay-href="/iframe/link/layuiAdmin">
                    layuiAdmin官网
                  </a>
                </dd>
              </dl>
            </dd>
          </dl>
        </li>
        <li data-name="app" data-jump="" class="layui-nav-item ">
          <a href="javascript:void(0);" lay-tips="应用" lay-direction="2">
            <i class="layui-icon layui-icon-app">
            </i>
            <cite>
              应用
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="message" data-jump="">
              <a href="javascript:void(0);" lay-href="app/message/">
                消息中心
              </a>
            </dd>
          </dl>
        </li>
        <li data-name="senior" data-jump="" class="layui-nav-item ">
          <a href="javascript:void(0);" lay-tips="高级" lay-direction="2">
            <i class="layui-icon layui-icon-senior">
            </i>
            <cite>
              高级
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="im" data-jump="">
              <a href="javascript:void(0);" lay-href="senior/im/">
                通讯系统
              </a>
            </dd>
          </dl>
        </li>
        <li data-name="user" data-jump="" class="layui-nav-item ">
          <a href="javascript:void(0);" lay-tips="用户" lay-direction="2">
            <i class="layui-icon layui-icon-user">
            </i>
            <cite>
              用户
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="user" data-jump="">
              <a href="javascript:void(0);">
                用户
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="list" data-jump="">
                  <a href="javascript:void(0);" lay-href="user/user/list">
                    用户列表
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="administrators" data-jump="">
              <a href="javascript:void(0);">
                后台管理组
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="list" data-jump="">
                  <a href="javascript:void(0);" lay-href="user/administrators/list">
                    管理员列表
                  </a>
                </dd>
                <dd data-name="role" data-jump="">
                  <a href="javascript:void(0);" lay-href="user/administrators/role">
                    角色管理
                  </a>
                </dd>
              </dl>
            </dd>
          </dl>
        </li>
        <li data-name="set" data-jump="" class="layui-nav-item ">
          <a href="javascript:;" lay-tips="设置" lay-direction="2">
            <i class="layui-icon layui-icon-set">
            </i>
            <cite>
              设置
            </cite>
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child">
            <dd data-name="base" data-jump="">
              <a href="javascript:void(0);">
                基本设置
                <span class="layui-nav-more">
                </span>
              </a>
              <dl class="layui-nav-child">
                <dd data-name="website" data-jump="">
                  <a href="javascript:;" lay-href="set/base/website">
                    系统设置
                  </a>
                </dd>
                <dd data-name="email" data-jump="">
                  <a href="javascript:void(0);" lay-href="set/base/email">
                    邮件服务
                  </a>
                </dd>
              </dl>
            </dd>
            <dd data-name="security" data-jump="">
              <a href="javascript:void(0);" lay-href="set/security/">
                安全设置
              </a>
            </dd>
          </dl>
        </li>
        <li data-name="get" data-jump="system/get" class="layui-nav-item ">
          <a href="javascript:void(0);" lay-href="system/get" lay-tips="授权" lay-direction="2">
            <i class="layui-icon layui-icon-auz">
            </i>
            <cite>
              授权
            </cite>
          </a>
        </li>
        <span class="layui-nav-bar">
        </span>
      </ul>
    </div>
  </div>
  <div class="layadmin-pagetabs" id="tabs">
    <div class="layui-icon layadmin-tabs-control layui-icon-prev" layadmin-event="leftPage">
    </div>
    <div class="layui-icon layadmin-tabs-control layui-icon-next" layadmin-event="rightPage">
    </div>
    <div class="layui-icon layadmin-tabs-control layui-icon-down">
      <ul class="layui-nav layadmin-tabs-select" lay-filter="layadmin-pagetabs-nav">
        <li class="layui-nav-item" lay-unselect="">
          <a href="javascript:void(0);">
            <span class="layui-nav-more">
            </span>
          </a>
          <dl class="layui-nav-child layui-anim-fadein">
            <dd layadmin-event="closeThisTabs">
              <a href="javascript:void(0);">
                关闭当前标签页
              </a>
            </dd>
            <dd layadmin-event="closeOtherTabs">
              <a href="javascript:void(0);">
                关闭其它标签页
              </a>
            </dd>
            <dd layadmin-event="closeAllTabs">
              <a href="javascript:void(0);">
                关闭全部标签页
              </a>
            </dd>
          </dl>
        </li>
        <span class="layui-nav-bar">
        </span>
      </ul>
    </div>
    <div class="layui-tab" lay-unauto="" lay-allowclose="true" lay-filter="layadmin-layout-tabs">
      <ul class="layui-tab-title" id="LAY_app_tabsheader">
        <li lay-id="/" class="layui-this">
          <i class="layui-icon layui-icon-home">
          </i>
          <i class="layui-icon layui-unselect layui-tab-close">
            ဆ
          </i>
        </li>
      </ul>
    </div>
  </div>
</div>
#tabs {
  background-color: rgba(0, 0, 0, 0.1);
}

本项目引用的自定义外部资源