title: The element nav-item dropdown not working in laravel vue
body: <p>Im using laravel and vue js also Adminlte
  In the beginning it was working but now ....</p>
  
  <p>head</p>
  
  <pre><code>&lt;!-- Font Awesome Icons --&gt;
  
  
  &lt;link rel="stylesheet" href="plugins/fontawesome-free/css/all.min.css"&gt;
    &lt;!-- Theme style --&gt;
    &lt;link rel="stylesheet" href="dist/css/adminlte.min.css"&gt;
    &lt;!--Css--&gt;
  
    &lt;!-- Google Font: Source Sans Pro --&gt;
    &lt;link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,400i,700" rel="stylesheet"&gt;
  
    &lt;script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>nav</p>
  
  <pre><code>&lt;ul class="navbar-nav ml-auto"&gt;
    &lt;!-- Messages Dropdown Menu --&gt;
  
    &lt;!-- Cerrar sesión menu --&gt;
    &lt;li class="nav-item dropdown"&gt;
  
      &lt;a class="nav-link" data-toggle="dropdown" href="#"&gt;
        &lt;i class="fas fa-users-cog"&gt;&lt;/i&gt;          
      &lt;/a&gt;
      &lt;div class="dropdown-menu dropdown-menu-lg dropdown-menu-right"&gt;
        &lt;span class="dropdown-header"&gt;Cerrar sesión&lt;/span&gt;
        &lt;div class="dropdown-divider"&gt;&lt;/div&gt;
        &lt;a class="dropdown-item"&gt;
          &lt;form action="{{route('logout')}}" method="POST"&gt;
            {{ csrf_field() }}     
            Usuario                        
            &lt;button type="submit" class="float-right text-muted text-sm"&gt;&lt;i class="fas fa-sign-out-alt mr-2"&gt;&lt;/i&gt; Salir  &lt;/button&gt;
          &lt;/form&gt;
        &lt;/a&gt;          
      &lt;/div&gt;
    &lt;/li&gt;
    &lt;li class="nav-item"&gt;
      &lt;a class="nav-link" data-widget="control-sidebar" data-slide="true" href="#"&gt;&lt;i
          class="fas fa-th-large"&gt;&lt;/i&gt;&lt;/a&gt;
    &lt;/li&gt;
  &lt;/ul&gt;
  </code></pre>
  
  <p>scripts</p>
  
  <pre><code>&lt;script src="plugins/jquery/jquery.min.js"&gt;&lt;/script&gt;
  &lt;!-- Bootstrap 4 --&gt;
  &lt;script src="plugins/bootstrap/js/bootstrap.bundle.min.js"&gt;&lt;/script&gt;
  &lt;!-- AdminLTE App --&gt;
  &lt;script src="dist/js/adminlte.min.js"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>it shows me: DevTools failed to parse SourceMap: <a href="http://x.x.x.x:8000/js/popper.js.map" rel="nofollow noreferrer">http://x.x.x.x:8000/js/popper.js.map</a>
  data-toggle="dropdown" does not show the elements</p>
  
  <p>in components app.js</p>
  
  <pre><code>require('./bootstrap');
  
  require('./components/Example');
  
  import Multiselect from 'vue-multiselect';
  
  Vue.component('multiselect', Multiselect);
  </code></pre>
  
  <p><strong>The problem comes when i used npm run dev the app.js generated makes it doesn work, any idea</strong></p>