简单教程
提交运行
代码编辑器：
<meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/static/lib/bootstrap/4.0.0/css/bootstrap.min.css"> <script src="/static/lib/jquery/3.3.1/jquery.min.js"></script> <script src="/static/lib/bootstrap/4.0.0/js/bootstrap.min.js"></script> <div class="container"> <h2>动画进度条</h2> <p>.progress-bar-animated CSS 类可以为进度条添加动画效果</p> <div class="progress"> <div class="progress-bar progress-bar-striped progress-bar-animated" style="width:40%"></div> </div> </div>
运行结果：