无法在 Twitter bootstrap 模态中获取 Gray background/Overlay

Can't get Gray background/Overlay in Twitter bootstrap modal

Html代码:

<!-- Modal -->
<div class="modal fade" id="az-progress" tabindex="-1" role="dialog" aria-labelledby="Progress bar" data-backdrop="false" data-keyboard="false" data-show="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h4 class="modal-title" id="myModalLabel">Modal title</h4>
            </div>
            <div class="modal-body">
                ...
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>

Javascript:

$(function() {
    $('#az-progress').modal();
});

您已指定 data-backdrop="false",这将禁用覆盖元素。只需删除 data-backdrop 或指定一个有效值

$(function() {
  $('#az-progress').modal({
    modal: true
  });
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet" />
<!-- Modal -->
<div class="modal fade" id="az-progress" tabindex="-1" role="dialog" aria-labelledby="Progress bar" data-keyboard="false" data-show="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span>
        </button>
        <h4 class="modal-title" id="myModalLabel">Modal title</h4>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>