Question

我从Bootstraps自己的源代码中获取了这个手风琴代码。但是当我打开一个新的时，它不会崩溃其他人。可能这个问题已在这里得到解答，但我无法找到它。谢谢你的帮助。

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title></title>
    <meta name="description" content="">
    <meta name="author" content="">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
    <link rel="stylesheet" href="css/style.css">
  </head>
  <body>

    <div class="container-fluid">
      <div class="navbar">
      </div>
      <div class="sidebar">

        <div class="accordion" id="accordion2">
          <div class="accordion-group">
            <div class="accordion-heading">
              <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne">
                Collapsible Group Item #1
              </a>
            </div>
            <div id="collapseOne" class="accordion-body in collapse" style="height: auto;">
              <div class="accordion-inner">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
              </div>
            </div>
          </div>
          <div class="accordion-group">
            <div class="accordion-heading">
              <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseTwo">
                Collapsible Group Item #2
              </a>
            </div>
            <div id="collapseTwo" class="accordion-body collapse" style="height: 0px;">
              <div class="accordion-inner">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
              </div>
            </div>
          </div>
          <div class="accordion-group">
            <div class="accordion-heading">
              <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseThree">
                Collapsible Group Item #3
              </a>
            </div>
            <div id="collapseThree" class="accordion-body collapse" style="height: 0px;">
              <div class="accordion-inner">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
              </div>
            </div>
          </div>
        </div>

      </div>
      <div class="body">
      </div>
    </div>

    <script src="http://code.jquery.com/jquery-2.1.3.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>
  </body>
</html>