点击Bootstrap模式容器后，不会弹出模式。

Question

所以我试图让一个容器类被点击，而不是按钮类型，但点击后它不会弹出模式，而是得到昏暗的暗屏，有人知道这是怎么回事吗？

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<!-- Font awesome-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/1.10.21/css/jquery.dataTables.min.css">
<script src="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>


<div class="notification-item" data-toggle="modal" data-target=".bd-example-modal-lg">
  <div class="row">
    <div class="col-lg-3 col-sm-3 col-3 text-center">
      <img src="../images/bell.png" class="w-50 rounded-circle">
    </div>
    <div class="col-lg-8 col-sm-8 col-8">
      <strong class="text-info">David John</strong>
      <div class="breakdiv">

      </div>
      <small class="text-warning">27.11.2015, 15:00</small>
    </div>
  </div>
</div>

<--Modal-->
  <div class="modal fade bd-example-modal-lg" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg  modal-dialog-right" role="document">
      <div class="modal-content">
        <div class="modal-header ">
          <h2 style="font-family: Lato; font-size:29pt; font-weight:bold;" class="modal-title " id="exampleModalLongTitle">...</h2>
          <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                            <span aria-hidden="true">&times;</span>
                        </button>
        </div>


        <div class="modal-body">
          <form class="form-horizontal " id="step2">
            <div class="form-row" id="comNameAndTypeContainer">
              Details
            </div>
          </form>
        </div>
      </div>
    </div>
  </div>

<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script>
  <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>

Answer 1

你没有加载bootstrap，而bootstrap对于模型来说是必不可少的。请检查下面的工作fiddle。

还有一件事，你忘了添加 ! 靠近 <--Modal-->

.notification-item {
  cursor:pointer;
}

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<!-- Font awesome-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="//cdn.datatables.net/1.10.21/css/jquery.dataTables.min.css">

<div class="notification-item" data-toggle="modal" data-target=".bd-example-modal-lg">
  <div class="row">
    <div class="col-lg-3 col-sm-3 col-3 text-center">
      <img src="../images/bell.png" class="w-50 rounded-circle">
    </div>
    <div class="col-lg-8 col-sm-8 col-8">
      <strong class="text-info">David John</strong>
      <div class="breakdiv">

      </div>
      <small class="text-warning">27.11.2015, 15:00</small>
    </div>
  </div>
</div>

<!--Modal-->
  <div class="modal fade bd-example-modal-lg" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg  modal-dialog-right" role="document">
      <div class="modal-content">
        <div class="modal-header ">
          <h2 style="font-family: Lato; font-size:29pt; font-weight:bold;" class="modal-title " id="exampleModalLongTitle">...</h2>
          <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                            <span aria-hidden="true">&times;</span>
                        </button>
        </div>


        <div class="modal-body">
          <form class="form-horizontal " id="step2">
            <div class="form-row" id="comNameAndTypeContainer">
              Details
            </div>
          </form>
        </div>
      </div>
    </div>
  </div>
  
  <script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
  <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>