!DOCTYPE htmlhtmlheadtitleBootstrap Example/titlelink href = /bootstrap/css/bootstrap.min.css rel = stylesheet

编程学习网为您整理以下代码实例，主要实现：Bootstrap关闭警报框时，添加淡入淡出效果，希望可以帮到各位朋友。

<!DOCTYPE HTML>
<HTML>
   <head>
      <Title>bootstrap Example</Title>
      <link href = "/bootstrap/CSS/bootstrap.min.CSS" rel = "stylesheet">
      <script src = "/scripts/jquery.min.Js"></script>
      <script src = "/bootstrap/Js/bootstrap.min.Js"></script>
   </head>
   <body>
      <div class="container">
         <h2>Eclipse Refactoring</h2>
         <div class = "alert alert-danger alert-dismissible fade in">
            <a href = "#" class = "close" data-dismiss="alert" aria-label = "close">×</a>
            To refactor code in Eclipse, try the below given steps in the vIDeo (You can also close this alert)
         </div>
      </div>
      <div class="container">
         <div class = "embed-responsive embed-responsive-16by9">
            <iframe class = "embed-responsive-item" src = "https://www.youtube.com/embed/YFVV6RAUnNg "></iframe>
         </div>
      </div>
   </body>
</HTML>