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Video Trailer Popup
Connect JavaScript controls to browser audio playback.
Build a video trailer popup →Background Video
Build a background video 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
Background Video
Build a background video 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
- Interactive audio controls
- Background Video 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
- Control behavior with conditions
- Control audio with JavaScript
- Perform calculations with JavaScript
Recommended knowledge: Basic HTML and CSS, DOM events and the HTML audio element, JavaScript variables and number operations, DOM selection and click events.
Complete project files
Build It from the Source Code
This project combines JavaScript interactions with browser audio.
- 1Create 3 files
- 2Copy the code
- 3Run
index.html
Before you run it
- Click the page once if the browser blocks audio playback.
- Keep an internet connection available for external assets.
Project structure
background-video/
<!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 href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6" crossorigin="anonymous">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div class="preloader">
<img src="preloader.gif" alt="preloader">
</div>
<Header>
<video class="background-video" muted autoplay loop src="background-video.mp4"></video>
<h1>Sahand Ghavidel</h1>
<button class="btn btn-secondary">
<i class="fa fa-pause" aria-hidden="true"></i>
</button>
</Header>
<script src="index.js"></script>
</body>
</html>
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