Best matchRelated: random valuesIntermediate
Rock Paper Scissors Game
Generate changing values and display a new result each time.
Build the game →Random Color Generator
Build a random color generator with HTML, CSS, and JavaScript while practicing DOM selection and CSS class toggling.
Intermediate30–45 minutesHTML5CSS3JavaScript
You’ll practice
DOM SelectionCSS Class TogglingDOM Content Updates
01 — What you’ll build
Random Color Generator
In this project, we’re going to build a random color generator using HTML, CSS, and JavaScript. You’ll see how to generate a fresh result and update the interface instantly. Along the way, you’ll practice DOM selection, CSS class toggling, and DOM content updates, so you can understand how the interface and JavaScript logic work together.
02 — Included
- Randomized results
- Random Color Generator 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
- Update content on the page
- Create and add elements dynamically
- Generate random values
- Process data with array methods
Recommended knowledge: Basic HTML and CSS, JavaScript arrays and array methods, Functions and Math.random, JavaScript variables and number operations.
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 all project files together in the same folder.
Project structure
random-color-generator/
<!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>Random Color Generator</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<h1>Random Color Generator</h1>
<div class="container"></div>
<script src="index.js"></script>
</body>
</html>
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