[Vue.js] Bootstrap Modal

<!-- you can put the following line in your html head -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">

<div id="vueapp">

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" v-on:click="isShowModal = 'block'">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade show" v-bind:style="{ display: isShowModal }" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true" v-on:click="isShowModal = 'none'">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary"  v-on:click="isShowModal = 'none'">Close</button>
      </div>
    </div>
  </div>
</div>

</div>

<!-- you can put the following line at the end of html body -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>

'use strict';

var app = new Vue({
  el: '#vueapp',
  data: {
    isShowModal: 'none'
  }
});