我试图在一个项目中实现引导程序折叠，但我在自动折叠部分遇到了麻烦。假设有3个div：A、B和C。如果A处于打开状态，我单击B，A应该会自动折叠，但它没有。我希望同时只打开一个分区。
我已经多次检查我的代码，也有一些教程和其他问题在这里，但仍然不能使它工作。任何帮助将不胜感激。
这是一个小提琴，虽然动画不工作，因为它与引导程序链接。但至少你们可以看到代码：https://jsfiddle.net/3ap18Lda/1/

<script src="https://code.jquery.com/jquery.min.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>

    <!-- accordion -->

<div class="container">
  <div id="accordion" role="tablist" aria-multiselectable="true">

    <div class="row caracteristicas-table">
      <div class="col-sm-12">
        <div role="tab" id="headingOne">

          <h3 class="dark-grey">HERE GOES THE TITLE</h3>

          <span class="orange-line"></span>

           <h4>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec condimentum pharetra ligula, non varius diam feugiat dignissim. Cras tellus quam, facilisis eget imperdiet eu, fermentum non justo. </h4>

            <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
              <i class="down-arrow"><img src="images/down-arrow.svg"></i><h4 class="text-quero-mais">I want to know some more</h4>
            </a>

        </div> <!-- / tab -->   

        <div id="collapseOne" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingOne">
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        </div>  <!-- / collaspeOne -->

      </div><!-- / col --> 
    </div> <!-- / row -->



    <div class="row caracteristicas-table">
      <div class="col-sm-12">
        <div role="tab" id="headingTwo">

          <h3 class="dark-grey">HERE GOES THE TITLE</h3>

          <span class="orange-line"></span>

           <h4>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec condimentum pharetra ligula, non varius diam feugiat dignissim. Cras tellus quam, facilisis eget imperdiet eu, fermentum non justo.</h4>

            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
              <i class="down-arrow"><img src="images/down-arrow.svg"></i><h4 class="text-quero-mais">I want to know some more</h4>
            </a>

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          <h4>Mauris vel ante eu tortor vulputate congue eu eget nibh. Suspendisse malesuada vehicula felis, vel sodales diam interdum eu. Etiam eu ante egestas, elementum nulla nec, gravida felis.</h4>
        </div>  <!-- / collaspeTwo -->

      </div><!-- / col --> 
    </div> <!-- / row -->



    <div class="row caracteristicas-table">
      <div class="col-sm-12">
        <div role="tab" id="headingThree">

          <h3 class="dark-grey">HERE GOES THE TITLE</h3>

          <span class="orange-line"></span>

           <h4>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec condimentum pharetra ligula, non varius diam feugiat dignissim. Cras tellus quam, facilisis eget imperdiet eu, fermentum non justo. </h4>

            <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
              <i class="down-arrow"><img src="images/down-arrow.svg"></i><h4 class="text-quero-mais">I want to know some more</h4>
            </a>

        </div> <!-- / tab -->   

        <div id="collapseThree" class="panel-collapse collapse" role="tabpanel" aria-labelledby="headingThree">
          <h4>Mauris vel ante eu tortor vulputate congue eu eget nibh. Suspendisse malesuada vehicula felis, vel sodales diam interdum eu. Etiam eu ante egestas, elementum nulla nec, gravida felis.</h4>
        </div>  <!-- / collaspeThree -->

      </div><!-- / col --> 
    </div> <!-- / row -->

  </div> <!-- / accordion --> 
</div> <!-- / container -->

谢谢你！