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9-2 多層下拉選單

一、套件

  1. 上課範例:https://github.com/tawan158/gallery/blob/master/20180626-1.html 
                      https://tawan158.github.io/gallery/20180626-1.html
  2. 網站:https://github.com/bootstrapthemesco/bootstrap-4-multi-dropdown-navbar
  3. DEMO:https://bootstrapthemes.co/demo/resource/bootstrap-4-multi-dropdown-navbar/
  4. 使用方法:
    引入插件
    
        <!-- 引入插件 bootstrap-4-multi-dropdown-navbar -->
        <link href="https://bootstrapthemes.co/demo/resource/bootstrap-4-multi-dropdown-navbar/css/bootstrap-4-navbar.css" rel="stylesheet">
        <script src="https://bootstrapthemes.co/demo/resource/bootstrap-4-multi-dropdown-navbar/js/bootstrap-4-navbar.js"></script>

     

  5.