Best matchRelated: JavaScript calculations
Analogue Clock
Turn JavaScript calculations into clear visual results.
Build an analogue clock →Background Image Scroll Effect
Build a background image scroll effect with HTML, CSS, and JavaScript while practicing DOM selection and JavaScript calculations.
Beginner20–30 minutesHTML5CSS3JavaScript
You’ll practice
DOM SelectionJavaScript Calculations
01 — What you’ll build
Background Image Scroll Effect
In this project, we’re going to build a background image scroll effect using HTML, CSS, and JavaScript. You’ll see how to connect user interactions to visible changes on the page. Along the way, you’ll practice DOM selection and JavaScript calculations, so you can understand how the interface and JavaScript logic work together.
02 — Included
- Click-based interactions
- Background Image Scroll Effect interface
- Responsive HTML and CSS layout
- Complete source code and live demo
03 — You’ll practice
- Select HTML elements from the DOM
- Perform calculations with JavaScript
Recommended knowledge: Basic HTML and CSS, JavaScript variables and number operations, Basic 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
background-image-scroll-effect/
<!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>Background Image Scroll Effect</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="bg-image" id="bg-image"></div>
<div class="container">
<h1>Welcome to our website</h1>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
<p>
Lorem ipsum dolor sit amet consectetur adipisicing elit. Quae suscipit,
provident veritatis quos dolorum repellendus officia voluptate veniam id
pariatur, maiores dolore libero nemo repudiandae facere reiciendis
quisquam? Deleniti, eius.
</p>
</div>
<script src="index.js"></script>
</body>
</html>
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