Bootstrap 4 navbar not collapsing on large screen
Question
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>
4 answers
solution1
28 ACCPTED 2017-11-16 12:32:30
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.
solution2
4 2018-01-22 15:45:45
You can also change the bootstrap reference to the bundled version - bootstrap. bundle .min.js - which includes popper.js.
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.bundle.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
Fiddle: https://jsfiddle.net/smoore4/m2dLp71q/
As @Anand Rockzz correctly points out, you still need to add jQuery before this reference.
solution3
2 2020-05-07 10:42:21
This happens when you miss the order of scripts. You should always include scripts in this order
- jquery.js
- popper.js
- bootstrap.js
<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/popper.js@1.16.0/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>
solution4
0 2022-05-13 03:40:02
This might be helpful ...Since Bootstrap 5 there is a slight change in how collapse works... see code `
<button type="button" class="btn btn-primary btn-lg" data-bs-toggle="collapse" data-bs-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">DATA STRUCTURES & ALGORITHMS JS</button>
<div class="collapse" id="collapseExample" >
<form class="form-inline" id="form">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
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