title: Bootstrap4 navbar menu don´t work when I change browser size
body: <p>I am using bootstrap4 navbar from CDN, and the navbar menu don't show the options when I change the browser resolution, I can´t see where the error is, any suggerence is wellcome. Here is my code:</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html lang="en"&gt;
  &lt;head&gt;
    &lt;meta charset="UTF-8"&gt;
    &lt;title&gt;Bootstrap ejemplo&lt;/title&gt;
  
    &lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"&gt;
    &lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"&gt;&lt;/script&gt;
  &lt;/head&gt;
  &lt;body&gt;
  
    &lt;div class="container"&gt;
      &lt;!-- Content here --&gt;
  
      &lt;!-- Navar from bootstrap examples --&gt;
      &lt;nav class="navbar navbar-toggleable-md navbar-light bg-faded navbar-inverse bg-inverse"&gt;
        &lt;button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation"&gt;
          &lt;span class="navbar-toggler-icon"&gt;&lt;/span&gt;
        &lt;/button&gt;
        &lt;a class="navbar-brand" href="#"&gt;::Places2Go::&lt;/a&gt;
        &lt;div class="collapse navbar-collapse" id="navbarNav"&gt;
          &lt;ul class="navbar-nav"&gt;
            &lt;li class="nav-item active"&gt;
              &lt;a class="nav-link" href="#"&gt;Home &lt;span class="sr-only"&gt;(current)&lt;/span&gt;&lt;/a&gt;
            &lt;/li&gt;
            &lt;li class="nav-item"&gt;
              &lt;a class="nav-link" href="#"&gt;About&lt;/a&gt;
            &lt;/li&gt;
  
  
  
          &lt;/ul&gt;
        &lt;/div&gt;
      &lt;/nav&gt;
  
    &lt;/div&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>