当引导模式关闭并重新打开时，如何重置该模式？

Question

我在引导模态中有一个列表框和一个按钮。单击按钮后，新的按钮将在模态的div内渲染。当我关闭模态并重新打开它时，模态上执行的最后一个操作（如先前呈现的按钮）仍然存在于模态中。

如何重置模态，以便再次打开模态时，按钮不存在，用户可以再次从列表框中选择选项，然后单击按钮以呈现新按钮，依此类推。

        <!-- Modal -->
        <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
          <div class="modal-dialog">
            <div class="modal-content">
              <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
                <h4 class="modal-title" id="myModalLabel">Select Language</h4>
              </div>
              <div class="modal-body">

                <button type="button" class="btn" data-dismiss="modal">Close</button>                    
                <button type="button" class="btn" id="submit_form">Submit</button>

              <div class="modal-body1">
                <div id="placeholder-div1">
                </div>                    
              </div>

              </div>

              <div class="modal-footer">


              <script>                    
                $('#submit_form').on('click', function() {
                    $(".modal-body1").html('<h3>test</h3>');
                });                                    
              </script>

              <script>                    
                $(function(){                    
                    $('.modal-footer').click(function() {
                       $('.modal').modal('hide');        
                    });                          
                }); 
              </script>

              </div>

            </div>
          </div>
        </div>

-更新-

为什么不起作用？

              <script type="text/javascript">  
                $(function(){  
                      $('#myModal').on('hidden.bs.modal', function (e) {
                      console.log("Modal hidden");
                      $("#placeholder-div1").html("");
                    });
                });

              </script>

Answer 1

隐藏模态后，只需手动重置任何内容即可：

$(".modal").on("hidden.bs.modal", function(){
    $(".modal-body1").html("");
});






$(document).ready(function() {

  $(".modal").on("hidden.bs.modal", function() {

    $(".modal-body1").html("Where did he go?!?!?!");

  });

});


<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" />

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>



<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">

  Launch modal

</button>



<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">

  <div class="modal-dialog">

    <div class="modal-content">

      <div class="modal-header">

        <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span>

        </button>

        <h4 class="modal-title" id="myModalLabel">Modal title</h4>

      </div>

      <div class="modal-body">

        <div class='modal-body1'>

          <h3>Close and open, I will be gone!</h3>

        </div>

      </div>

      <div class="modal-footer">

        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>

      </div>

    </div>

  </div>

</div>