Best matchRelated: JavaScript calculations
Background Video
Turn JavaScript calculations into clear visual results.
Build a background video →Sticky Navbar
Build a sticky navbar with HTML, CSS, and JavaScript while practicing DOM selection and CSS class toggling.
Beginner20–30 minutesHTML5CSS3JavaScript
You’ll practice
DOM SelectionCSS Class TogglingConditional Logic
01 — What you’ll build
Sticky Navbar
Build a sticky navbar using HTML, CSS, and JavaScript, then connect the interface to the logic that makes it work. You’ll learn how to respond to user interaction and update the navigation state while getting hands-on practice with DOM selection, CSS class toggling, and conditional logic.
02 — Included
- Click-based interactions
- Sticky Navbar interface
- Responsive HTML and CSS layout
- Complete source code and live demo
03 — You’ll practice
- Select HTML elements from the DOM
- Change styles by updating CSS classes
- Control behavior with conditions
- Perform calculations with JavaScript
Recommended knowledge: Basic HTML and CSS, JavaScript variables and number operations, 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
sticky-navbar/
<!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>Sticky Navbar</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="navbar">
<a href="/index.html"><img src="logo.svg" alt="logo" /></a>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">Blog</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
<div class="top-container">
<h1>Welcome to our website</h1>
</div>
<div class="bottom-container">
<p class="text">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Nulla tempore
explicabo veritatis dignissimos accusantium nostrum voluptatum qui
labore, natus mollitia voluptatem. Ipsa ducimus eos saepe expedita ex
laboriosam optio omnis amet, qui veritatis unde aut tempora. Fuga et
sint autem amet, modi, veniam dolorum placeat blanditiis rerum doloribus
aliquid voluptas. Alias voluptatum id vel minima voluptates assumenda
accusantium consectetur culpa necessitatibus sint cum perspiciatis
laboriosam sequi praesentium, eos numquam! Eum, officia fugiat
reprehenderit eligendi itaque similique! Harum, quod vitae explicabo
sint ad illum expedita quisquam earum? Necessitatibus illo tempore
sapiente commodi quae, qui quasi odit fugiat impedit mollitia eveniet
maiores?
</p>
<p class="text">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Nulla tempore
explicabo veritatis dignissimos accusantium nostrum voluptatum qui
labore, natus mollitia voluptatem. Ipsa ducimus eos saepe expedita ex
laboriosam optio omnis amet, qui veritatis unde aut tempora. Fuga et
sint autem amet, modi, veniam dolorum placeat blanditiis rerum doloribus
aliquid voluptas. Alias voluptatum id vel minima voluptates assumenda
accusantium consectetur culpa necessitatibus sint cum perspiciatis
laboriosam sequi praesentium, eos numquam! Eum, officia fugiat
reprehenderit eligendi itaque similique! Harum, quod vitae explicabo
sint ad illum expedita quisquam earum? Necessitatibus illo tempore
sapiente commodi quae, qui quasi odit fugiat impedit mollitia eveniet
maiores?
</p>
<p class="text">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Nulla tempore
explicabo veritatis dignissimos accusantium nostrum voluptatum qui
labore, natus mollitia voluptatem. Ipsa ducimus eos saepe expedita ex
laboriosam optio omnis amet, qui veritatis unde aut tempora. Fuga et
sint autem amet, modi, veniam dolorum placeat blanditiis rerum doloribus
aliquid voluptas. Alias voluptatum id vel minima voluptates assumenda
accusantium consectetur culpa necessitatibus sint cum perspiciatis
laboriosam sequi praesentium, eos numquam! Eum, officia fugiat
reprehenderit eligendi itaque similique! Harum, quod vitae explicabo
sint ad illum expedita quisquam earum? Necessitatibus illo tempore
sapiente commodi quae, qui quasi odit fugiat impedit mollitia eveniet
maiores?
</p>
<p class="text">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Nulla tempore
explicabo veritatis dignissimos accusantium nostrum voluptatum qui
labore, natus mollitia voluptatem. Ipsa ducimus eos saepe expedita ex
laboriosam optio omnis amet, qui veritatis unde aut tempora. Fuga et
sint autem amet, modi, veniam dolorum placeat blanditiis rerum doloribus
aliquid voluptas. Alias voluptatum id vel minima voluptates assumenda
accusantium consectetur culpa necessitatibus sint cum perspiciatis
laboriosam sequi praesentium, eos numquam! Eum, officia fugiat
reprehenderit eligendi itaque similique! Harum, quod vitae explicabo
sint ad illum expedita quisquam earum? Necessitatibus illo tempore
sapiente commodi quae, qui quasi odit fugiat impedit mollitia eveniet
maiores?
</p>
<p class="text">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Nulla tempore
explicabo veritatis dignissimos accusantium nostrum voluptatum qui
labore, natus mollitia voluptatem. Ipsa ducimus eos saepe expedita ex
laboriosam optio omnis amet, qui veritatis unde aut tempora. Fuga et
sint autem amet, modi, veniam dolorum placeat blanditiis rerum doloribus
aliquid voluptas. Alias voluptatum id vel minima voluptates assumenda
accusantium consectetur culpa necessitatibus sint cum perspiciatis
laboriosam sequi praesentium, eos numquam! Eum, officia fugiat
reprehenderit eligendi itaque similique! Harum, quod vitae explicabo
sint ad illum expedita quisquam earum? Necessitatibus illo tempore
sapiente commodi quae, qui quasi odit fugiat impedit mollitia eveniet
maiores?
</p>
</div>
<script src="index.js"></script>
</body>
</html>
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