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Build a sidebar menu with HTML, CSS, and JavaScript while practicing click events and DOM selection.
Beginner20–30 minutesHTML5CSS3JavaScript
You’ll practice
Click EventsDOM SelectionCSS Class Toggling
01 — What you’ll build
Sidebar Menu
Build a sidebar menu using HTML, CSS, and JavaScript, then connect the interface to the logic that makes it work. You’ll learn how to connect user interactions to visible changes on the page while getting hands-on practice with click events, DOM selection, and CSS class toggling.
02 — Included
- Click-based interactions
- Sidebar Menu interface
- Responsive HTML and CSS layout
- Complete source code and live demo
03 — You’ll practice
- Handle user clicks
- Select HTML elements from the DOM
- Change styles by updating CSS classes
- Perform calculations with JavaScript
Recommended knowledge: Basic HTML and CSS, JavaScript variables and number operations, DOM selection and click events, CSS classes and DOM selection.
Complete project files
Build It from the Source Code
This project runs directly in the browser with HTML, CSS, and JavaScript.
- 1Create 3 files
- 2Copy the code
- 3Run
index.html
Before you run it
- Keep an internet connection available for external assets.
Project structure
sidebar/
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sahand Ghavidel</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css" integrity="sha512-iBBXm8fW90+nuLcSKlbmrPcLa0OT92xO1BIsZ+ywDWZCvqsWgccV3gFoRBv0z+8dLJgyAHIhR35VZc2oM/gI1w==" crossorigin="anonymous" />
<link rel="stylesheet" href="styles.css">
</head>
<body>
<i class="fa fa-bars" aria-hidden="true"></i>
<div class="sidebar">
<div class="sidebar-header">
<img class="logo" src="logo.svg" alt="logo">
<i class="fa fa-times" aria-hidden="true"></i>
</div>
<ul class="menu">
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
<script src="index.js"></script>
</body>
</html>
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