Posted By
Bajarangi soft ,
Posted On 06-10-2020
Create A Dropdown Sidebar
Step 1: Create index.html and implement below code
<div class="sidenav">
<a href="#about">About</a>
<a href="#services">Services</a>
<a href="#clients">Clients</a>
<a href="#contact">Contact</a>
<button class="dropdown-btn">Dropdown
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-container">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
<a href="#contact">Search</a>
</div>
<div class="main">
<div class="text-center">
<h1>How To Create Dropdown Sidebar Using CSS And JavaScript</h1>
</div>
<h2>Sidebar Dropdown</h2>
<p>Click on the dropdown button to open the dropdown menu inside the side navigation.</p>
<p>This sidebar is of full height (100%) and always shown.</p>
<p>Some random text..</p>
</div>
<style>
body {
font-family: "Lato", sans-serif;
}
/* Fixed sidenav, full height */
.sidenav {
height: 100%;
width: 200px;
position: fixed;
z-index: 1;
top: 0;
left: 0;
background-color: #111;
overflow-x: hidden;
padding-top: 20px;
}
/* Style the sidenav links and the dropdown button */
.sidenav a, .dropdown-btn {
padding: 6px 8px 6px 16px;
text-decoration: none;
font-size: 20px;
color: #818181;
display: block;
border: none;
background: none;
width: 100%;
text-align: left;
cursor: pointer;
outline: none;
}
/* On mouse-over */
.sidenav a:hover, .dropdown-btn:hover {
color: #f1f1f1;
}
/* Main content */
.main {
margin-left: 200px; /* Same as the width of the sidenav */
font-size: 20px; /* Increased text to enable scrolling */
padding: 0px 10px;
}
/* Add an active class to the active dropdown button */
.active {
background-color: tomato;
color: white;
}
/* Dropdown container (hidden by default). Optional: add a lighter background color and some left padding to change the design of the dropdown content */
.dropdown-container {
display: none;
background-color: #262626;
padding-left: 8px;
}
/* Optional: Style the caret down icon */
.fa-caret-down {
float: right;
padding-right: 8px;
}
/* Some media queries for responsiveness */
@media screen and (max-height: 450px) {
.sidenav {padding-top: 15px;}
.sidenav a {font-size: 18px;}
}
h1{
color: tomato;
}
</style>
<script>
/* Loop through all dropdown buttons to toggle between hiding and showing its dropdown content - This allows the user to have multiple dropdowns without any conflict */
var dropdown = document.getElementsByClassName("dropdown-btn");
var i;
for (i = 0; i < dropdown.length; i++) {
dropdown[i].addEventListener("click", function() {
this.classList.toggle("active");
var dropdownContent = this.nextElementSibling;
if (dropdownContent.style.display === "block") {
dropdownContent.style.display = "none";
} else {
dropdownContent.style.display = "block";
}
});
}
</script>
<!DOCTYPE html>
<html>
<head>
<title>How To Create Dropdown Sidebar Using CSS And JavaScript</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
</head>
<style>
body {
font-family: "Lato", sans-serif;
}
/* Fixed sidenav, full height */
.sidenav {
height: 100%;
width: 200px;
position: fixed;
z-index: 1;
top: 0;
left: 0;
background-color: #111;
overflow-x: hidden;
padding-top: 20px;
}
/* Style the sidenav links and the dropdown button */
.sidenav a, .dropdown-btn {
padding: 6px 8px 6px 16px;
text-decoration: none;
font-size: 20px;
color: #818181;
display: block;
border: none;
background: none;
width: 100%;
text-align: left;
cursor: pointer;
outline: none;
}
/* On mouse-over */
.sidenav a:hover, .dropdown-btn:hover {
color: #f1f1f1;
}
/* Main content */
.main {
margin-left: 200px; /* Same as the width of the sidenav */
font-size: 20px; /* Increased text to enable scrolling */
padding: 0px 10px;
}
/* Add an active class to the active dropdown button */
.active {
background-color: tomato;
color: white;
}
/* Dropdown container (hidden by default). Optional: add a lighter background color and some left padding to change the design of the dropdown content */
.dropdown-container {
display: none;
background-color: #262626;
padding-left: 8px;
}
/* Optional: Style the caret down icon */
.fa-caret-down {
float: right;
padding-right: 8px;
}
/* Some media queries for responsiveness */
@media screen and (max-height: 450px) {
.sidenav {
padding-top: 15px;
}
.sidenav a {
font-size: 18px;
}
}
h1 {
color: tomato;
}
</style>
<body>
<div class="container">
<br>
<br>
<br>
<div class="well">
<div class="sidenav">
<a href="#about">About</a>
<a href="#services">Services</a>
<a href="#clients">Clients</a>
<a href="#contact">Contact</a>
<button class="dropdown-btn">Dropdown
<i class="fa fa-caret-down"></i>
</button>
<div class="dropdown-container">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
<a href="#contact">Search</a>
</div>
<div class="main">
<div class="text-center">
<h1>How To Create Dropdown Sidebar Using CSS And JavaScript</h1>
</div>
<h2>Sidebar Dropdown</h2>
<p>Click on the dropdown button to open the dropdown menu inside the side navigation.</p>
<p>This sidebar is of full height (100%) and always shown.</p>
<p>Some random text..</p>
</div>
<script>
var dropdown = document.getElementsByClassName("dropdown-btn");
var i;
for (i = 0; i < dropdown.length; i++) {
dropdown[i].addEventListener("click", function () {
this.classList.toggle("active");
var dropdownContent = this.nextElementSibling;
if (dropdownContent.style.display === "block") {
dropdownContent.style.display = "none";
} else {
dropdownContent.style.display = "block";
}
});
}
</script>
</div>
<div>
</body>
</html>