The toggling of Bootstrap is restricted when the classes d-none and d-lg-block are

I have designed a navigation bar that will only be visible on larger screens.

<nav id="sidebar" class="d-none d-lg-block">
...
</nav>

In addition, I have implemented a toggle feature that allows the user to show or hide the navbar by clicking on an icon.

<a href="#" onclick="$('#sidebar').toggle();"><i class="fa fa-bars custom-icon"></i></a>

However, I am facing an issue where the navbar does not hide when I click on the icon. It seems that the display: none; property is not taking effect due to the use of d-none d-lg-block.

https://i.sstatic.net/NSlAm.png

Does anyone know how I can resolve this problem?

cssbootstrap-4

Answer №1

After some experimentation, I discovered that by setting the display property to none and then adding the class d-lg-block, I was able to make the navbar reappear. This solved the issue of not being able to hide the nav while that particular class was still present. To address this, I developed a function that removes the class before hiding it.

$("#toggler").click(function()
{
    if($("#sidebar").css('display') === 'none')
    {
        $("#sidebar").addClass("d-none");
        $("#sidebar").addClass("d-lg-block");
        $("#sidebar").toggle();
    }
    else
    {
        $("#sidebar").removeClass("d-none");
        $("#sidebar").removeClass("d-lg-block");
        $("#sidebar").toggle();
    }  
});

I believe this solution could be beneficial for others facing a similar situation.

Answer №2

d-none is utilized to set the display property to display:none!important, which means it can only be overridden by other CSS that also includes !important.

You may give this a shot, even though it’s not particularly elegant:

function toggleDisplay($element) {
  if($element.css('display') === 'none') {
    $element.css({'cssText': 'display: block!important;'});
  } else {
    $element.css({'cssText': 'display: none!important;'});
  }  
}
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<nav id="sidebar" class="d-none d-lg-block">
navbar content here
</nav>
<a href="#" onclick="toggleDisplay($('#sidebar'));"><i class="fa fa-bars custom-icon"></i>toggle navbar</a>

Answer №3

Please adhere to the specified structure while creating a Navbar using BS4.

The basic BS4 Navbar structure is shown in the snippet below.

<!DOCTYPE html>
<html lang="en>
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-expand-lg bg-primary navbar-dark">
  <a class="navbar-brand" href="#">LOGO</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="collapsibleNavbar">
    <ul class="navbar-nav">
      <li class="nav-item">
        <a class="nav-link" href="#">Link</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Link</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Link</a>
      </li>    
    </ul>
  </div>  
</nav>

Hope this code helps resolve your issue.

Thank you...

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