Bootstrap 4 navbar collapse not working

Sebastian Alexander Neve White Published at Javascript

150

Sebastian Alexander Neve White :

I am trying to implement a Navbar using Bootstrap 4. Currently, the Navbar correctly collapses when the viewport is shrunk to mobile size. However, when attempting to toggle menu, nothing happens. The jsFiddle example demonstrates this behavior. I have attached the HTML as well.

Steps I have taken:

Removing all custom CSS
Ensuring jQuery link is before Bootstrap JS file
Script tags in the header and the footer
Copy and paste exact examples from Bootstrap Docs (and I get the same behavior)
Ensuring that JS is being used in the Chrome browser
Validated HTML using WC3 validator
And of course, read various posts on SO about this issue but none lead to a resolution

jsFiddle link https://jsfiddle.net/u7v5jba9/

    <title>
      Site title
    </title>
    <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" />
    <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />

    <body>
      <div class="container">
        <nav class="navbar navbar-expand-lg navbar-light">

          <a class="navbar-brand" href="#">
            <i class="fa fa-globe" aria-hidden="true"></i> Brand Name
          </a>

          <button class="navbar-toggler collapsed" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <i class="fa fa-angle-double-down"></i>
          </button>

          <div class="navbar-collapse collapse" id="navbarSupportedContent">
            <ul class="navbar-nav mr-auto">
              <li class="nav-item"><a href="#" class="nav-link ">Link 1</a></li>
              <li class="nav-item"><a href="#" class="nav-link ">Link 2</a></li>
              <li class="nav-item"><a href="#" class="nav-link">Link 3</a></li>
            </ul>
            <ul class="navbar-nav">
              <li class="nav-item"><a href="#" class="nav-link ">Sign In</a></li>
              <li class="nav-item"><a href="#" class="nav-link ">Register</a></li>
              <li class="nav-item"><a href="#" class="nav-link ">Log Out</a></li>
            </ul>
          </div>

        </nav>
      </div>

      <div class="container">
        <nav class="navbar navbar-inverse fixed-bottom text-center">
          <h6 class="text-light text-center">Footer</h6>
        </nav>
      </div>

      <!-- Scripts -->
      <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
      <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script>
    </body>

Thanks in advance

Ashley Brown :

You need to include Popper as per the Getting Started Docs.

Use these for your scripts instead.

<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>

Updated working Fiddle: https://jsfiddle.net/u7v5jba9/1/

Advice: In future, always open the dev inspector console in your browser to find any error messages.

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