hamburger menu in bootstrap code example
Example 1: bootstrap hamburger menu
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<nav class="navbar navbar-inverse navbar-static-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li><a href="index.php">Home</a></li>
<li><a href="about.php">About</a></li>
<li><a href="#portfolio">Portfolio</a></li>
<li><a href="#">Blog</a></li>
<li><a href="contact.php">Contact</a></li>
</ul>
</div>
</div>
</nav>
Example 2: bootstrap header
//an example of a bootstrap nav bar which you can use as a boilerplate code
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<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>
</nav>
Example 3: burger menu css
<style>
.container {
background: dodgerblue;
padding: 20px;
height: 70px;
}
#hamburger {
width: 40px;
height: 40px;
display: block;
position: relative;
float: right;
transform: rotate(0deg);
transition: .5s ease-in-out;
cursor: pointer;
}
#hamburger span {
display: block;
position: absolute;
height: 4px;
width: 100%;
background: white;
border-radius: 9px;
opacity: 1;
left: 0;
transform: rotate(0deg);
transition: .25s ease-in-out;
}
#hamburger span:nth-child(1) {
top: 0px;
}
#hamburger span:nth-child(2) {
top: 12px;
}
#hamburger span:nth-child(3) {
top: 24px;
}
#hamburger.open span:nth-child(1) {
top: 14px;
transform: rotate(135deg);
}
#hamburger.open span:nth-child(2) {
opacity: 0;
left: -60px;
}
#hamburger.open span:nth-child(3) {
top: 14px;
transform: rotate(-135deg);
}
</style>
<body>
<div class="container">
<div id="hamburger">
<span></span>
<span></span>
<span></span>
</div>
</div>
</body>
Example 4: bootstrap navbar hamburger menu
<!-- JS, Popper.js, and jQuery -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/boots