In this project, we’re going to build a practical testimonial slider using HTML, CSS, and JavaScript. You’ll see how to move between items and keep the active content synchronized. Along the way, you’ll practice setTimeout, DOM selection, DOM content updates, so you can understand how the interface and JavaScript logic work together.
Create these three files, copy the code into each one, then open index.html with Live Server.
testimonial-slider/ ├── index.html ├── style.css └── index.js
%202.webp?alt=media&token=7ffdb0b5-c934-43e2-a7a1-029e283cce6f)
<!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>Testimonial Slider</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="testimonial-container">
<img
src="https://images.unsplash.com/photo-1570295999919-56ceb5ecca61?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=880&q=80"
alt="user-image"
/>
<p class="text">
This is simply unbelievable! I would be lost without Apple. The very
best. Not able to tell you how happy I am with Apple.
</p>
<h4 class="username">Cherise G</h4>
</div>
<script src="index.js"></script>
</body>
</html>
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