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sumn2u merged 3 commits into from
Oct 5, 2025
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#326: Solution for a Video Popup Modal #329

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#326: Solution for a Video Popup Modal
soonu-kedari Oct 5, 2025
750123d
FIX: Comment fixes for a Video Popup Modal
soonu-kedari Oct 5, 2025
605b250
FIX: Update README.md and style.css for dark text color
soonu-kedari Oct 5, 2025
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134 changes: 134 additions & 0 deletions examples/video-popup/README.md
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# 🎬 Video Modal Popup

This project demonstrates how to create a **popup modal** that plays a **video trailer** when triggered by a button click.
It’s perfect for **movie previews, product demos**, or any **interactive video showcase**.

---

## 📁 Project Structure
```
video-modal/
│
├── index.html # Main HTML structure
├── style.css # Styling and responsive design
├── script.js # Event handling and video control logic
└── README.md # Project documentation
```

---

## 🧩 Features
- 🎥 Opens a modal when clicking the **Play Trailer** button
- ▶️ Plays an HTML5 video automatically inside the modal
- ❌ Includes a close button and closes on outside click
- 🔄 Automatically **pauses and resets** the video when closed
- 📱 Fully **responsive** across all screen sizes
- 💫 Smooth fade-in animation and hover effects

---

## ⚙️ How It Works (Detailed Explanation)

### 🏗️ 1. index.html

The `index.html` file defines the structure of the webpage. It includes:

#### **Key Elements**
- `<div class="movie-container">` — Wraps all content like the movie thumbnail, title, description, and button.
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The class name 'movie-container' doesn't match the actual implementation which uses 'movie-card'. This should be updated to reflect the correct class name.

Suggested change
- `<div class="movie-container">` — Wraps all content like the movie thumbnail, title, description, and button.
- `<div class="movie-card">` — Wraps all content like the movie thumbnail, title, description, and button.

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- `<img>` — Displays the movie’s thumbnail or poster image.
- `<h1>` — The movie title.
- `<p>` — A short movie description or tagline.
- `<button id="openModal">` — Button to trigger the modal popup.
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The ID 'openModal' doesn't match the actual implementation which uses 'openModalBtn'. This should be updated to reflect the correct ID.

Suggested change
- `<button id="openModal">` — Button to trigger the modal popup.
- `<button id="openModalBtn">` — Button to trigger the modal popup.

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- `<div id="videoModal" class="modal">` — The modal container that holds the video player.
- `<span class="close">&times;</span>` — The close icon (×) used to close the modal.
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The documentation shows the close button as a <span> element with class 'close', but the actual implementation uses a <button> element with class 'close-btn' and id 'closeModalBtn'.

Suggested change
- `<span class="close">&times;</span>` — The close icon (×) used to close the modal.
- `<button class="close-btn" id="closeModalBtn">&times;</button>` — The close icon (×) used to close the modal.

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- `<video>` — The HTML5 video element that plays the trailer inside the modal.

These elements are organized in a clean hierarchy to ensure readability and easy maintenance.

---

### 🎨 2. style.css

The `style.css` file controls how the page looks and behaves on different screen sizes. It ensures the design is both **modern** and **responsive**.

#### **Example Styles Explained**

- `.modal`
Creates a **full-screen overlay** when the modal is active. It uses properties like:
```css
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.7);
display: none;
justify-content: center;
align-items: center;
```
This ensures the modal takes up the whole viewport with a dark transparent background.

- `.modal-content`
Styles the inner video player window. Example:
```css
background: #000;
padding: 10px;
border-radius: 10px;
max-width: 90%;
width: 800px;
```
This keeps the video centered and scaled properly on all devices.

- `@media (max-width: 768px)`
Adjusts layout for **mobile and tablet** viewports, ensuring text and buttons resize correctly.

---

### ⚙️ 3. script.js

The `script.js` file manages all interactions between the user and the modal.

#### **Functions Explained**
1. **Element References**
```js
const modal = document.getElementById("videoModal");
const btn = document.getElementById("openModal");
const span = document.getElementsByClassName("close")[0];
const video = document.getElementById("trailerVideo");
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The example code uses incorrect element IDs and class names that don't match the actual implementation. Should use 'openModalBtn', 'closeModalBtn', and 'trailer' respectively.

Suggested change
const btn = document.getElementById("openModal");
const span = document.getElementsByClassName("close")[0];
const video = document.getElementById("trailerVideo");
const btn = document.getElementById("openModalBtn");
const span = document.getElementById("closeModalBtn");
const video = document.getElementById("trailer");

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```
These lines reference the key DOM elements for manipulation.

2. **Open Modal Functionality**
```js
btn.onclick = function() {
modal.style.display = "flex";
video.play();
}
```
When the **Play Trailer** button is clicked, this function makes the modal visible and starts playing the video.

3. **Close Modal Functionality**
```js
span.onclick = function() {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
```
When the close icon (×) is clicked, the modal hides, the video pauses, and the playback resets.

4. **Outside Click Close**
```js
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
}
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The documentation shows outdated code using onclick property and style.display, but the actual implementation uses addEventListener and CSS classes with classList.add('active').

Suggested change
btn.onclick = function() {
modal.style.display = "flex";
video.play();
}
```
When the **Play Trailer** button is clicked, this function makes the modal visible and starts playing the video.
3. **Close Modal Functionality**
```js
span.onclick = function() {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
```
When the close icon (×) is clicked, the modal hides, the video pauses, and the playback resets.
4. **Outside Click Close**
```js
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
}
btn.addEventListener('click', function() {
modal.classList.add('active');
video.play();
});

When the Play Trailer button is clicked, this function makes the modal visible and starts playing the video.

  1. Close Modal Functionality

    span.addEventListener('click', function() {
    modal.classList.remove('active');
    video.pause();
    video.currentTime = 0;
});

    When the close icon (×) is clicked, the modal hides, the video pauses, and the playback resets.

  2. Outside Click Close

    window.addEventListener('click', function(event) {
    if (event.target === modal) {
        modal.classList.remove('active');
        video.pause();
        video.currentTime = 0;
    }
});

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The documentation shows outdated code using window.onclick and style.display, but the actual implementation uses modal.addEventListener and classList.remove('active').

Suggested change
btn.onclick = function() {
modal.style.display = "flex";
video.play();
}
```
When the **Play Trailer** button is clicked, this function makes the modal visible and starts playing the video.
3. **Close Modal Functionality**
```js
span.onclick = function() {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
```
When the close icon (×) is clicked, the modal hides, the video pauses, and the playback resets.
4. **Outside Click Close**
```js
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
video.pause();
video.currentTime = 0;
}
}
btn.addEventListener("click", function() {
modal.classList.add("active");
video.play();
});

When the Play Trailer button is clicked, this function makes the modal visible and starts playing the video.

  1. Close Modal Functionality

    span.addEventListener("click", function() {
    modal.classList.remove("active");
    video.pause();
    video.currentTime = 0;
});

    When the close icon (×) is clicked, the modal hides, the video pauses, and the playback resets.

  2. Outside Click Close

    modal.addEventListener("click", function(event) {
    if (event.target === modal) {
        modal.classList.remove("active");
        video.pause();
        video.currentTime = 0;
    }
});

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```
This ensures that clicking **outside the modal content** also closes the popup and stops the video.

---

**Author:** Rohan Kedari
41 changes: 41 additions & 0 deletions examples/video-popup/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Video Modal Popup</title>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="movie-card">
<img
src="https://m.media-amazon.com/images/I/81p+xe8cbnL._AC_SY679_.jpg"
alt="Movie Thumbnail"
class="thumbnail"
/>
<h2 class="movie-title">Inception</h2>
<p class="movie-description">
A thief who enters the dreams of others to steal secrets from their
subconscious is given a chance to have his criminal record erased.
</p>
<button class="btn" id="openModalBtn">▶ Play Trailer</button>
</div>

<!-- Modal -->
<div class="modal" id="videoModal">
<div class="modal-content">
<h2 class="popup-title">Inception</h2>
<button class="close-btn" id="closeModalBtn">&times;</button>
<video id="trailer" controls>
<source
src="https://www.w3schools.com/html/mov_bbb.mp4"
type="video/mp4"
/>
Your browser does not support the video tag.
</video>
</div>
</div>

<script src="script.js"></script>
</body>
</html>
26 changes: 26 additions & 0 deletions examples/video-popup/script.js
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const openBtn = document.getElementById("openModalBtn");
const closeBtn = document.getElementById("closeModalBtn");
const modal = document.getElementById("videoModal");
const video = document.getElementById("trailer");

// Open modal
openBtn.addEventListener("click", () => {
modal.classList.add("active");
video.play();
});

// Close modal
closeBtn.addEventListener("click", () => {
modal.classList.remove("active");
video.pause();
video.currentTime = 0; // reset to beginning
});

// Close when clicking outside the video
modal.addEventListener("click", (e) => {
if (e.target === modal) {
modal.classList.remove("active");
video.pause();
video.currentTime = 0;
}
});
177 changes: 177 additions & 0 deletions examples/video-popup/style.css
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/* Base styles */
body {
font-family: Arial, sans-serif;
background: #ffffff;
color: #fff;
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The body has a white background (#ffffff) but white text color (#fff), making the text invisible. This should be corrected to use a dark text color like #333 or change the background to a dark color.

Suggested change
color: #fff;
color: #333;

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display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
margin: 0;
padding: 20px;
box-sizing: border-box;
}

/* Movie card container */
.movie-card {
text-align: center;
max-width: 400px;
width: 100%;
background: #1c1c1c;
padding: 20px;
border-radius: 12px;
box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
transition: transform 0.3s ease;
}
.movie-card:hover {
transform: translateY(-5px);
}

.thumbnail {
width: 100%;
height: auto;
border-radius: 10px;
margin-bottom: 15px;
}

.movie-title {
font-size: 24px;
margin: 10px 0 5px;
}

.popup-title{
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Missing space before opening brace. Should be .popup-title { to follow consistent CSS formatting.

Suggested change
.popup-title{
.popup-title {

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font-size: 24px;
margin: 10px;
}

.movie-description {
font-size: 15px;
color: #ccc;
line-height: 1.4;
margin-bottom: 15px;
}

/* Trigger button */
.btn {
background: #e50914;
border: none;
padding: 12px 24px;
color: #fff;
font-size: 18px;
border-radius: 6px;
cursor: pointer;
transition: background 0.3s ease, transform 0.2s ease;
}
.btn:hover {
background: #f40612;
transform: scale(1.05);
}

/* Modal overlay */
.modal {
position: fixed;
top: 0; left: 0;
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[nitpick] CSS properties should be on separate lines for better readability and maintainability.

Suggested change
top: 0; left: 0;
top: 0;
left: 0;

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width: 100%;
height: 100%;
display: none;
justify-content: center;
align-items: center;
background: rgba(0,0,0,0.8);
z-index: 1000;
padding: 10px;
}
.modal.active {
display: flex;
animation: fadeIn 0.3s ease;
}

/* Modal content */
.modal-content {
position: relative;
width: 90%;
max-width: 800px;
background: #000;
border-radius: 10px;
overflow: hidden;
}

/* Video */
video {
width: 100%;
height: auto;
display: block;
}

/* Close button */
.close-btn {
position: absolute;
top: 10px;
right: 15px;
font-size: 28px;
font-weight: bold;
color: #fff;
cursor: pointer;
background: transparent;
border: none;
}

/* Animations */
@keyframes fadeIn {
from {opacity: 0;}
to {opacity: 1;}
}

/* ============================= */
/* Responsive Styles */
/* ============================= */

/* Tablets */
@media (max-width: 768px) {
.movie-card {
max-width: 90%;
padding: 16px;
}
.movie-title {
font-size: 20px;
}
.movie-description {
font-size: 14px;
}
.btn {
font-size: 16px;
padding: 10px 18px;
}
}

/* Small mobiles */
@media (max-width: 480px) {
body {
flex-direction: column;
}
.movie-card {
padding: 14px;
border-radius: 8px;
}
.thumbnail {
border-radius: 8px;
}
.movie-title {
font-size: 18px;
}
.movie-description {
font-size: 13px;
}
.btn {
font-size: 15px;
width: 100%;
}
.close-btn {
font-size: 24px;
right: 10px;
top: 8px;
}
.modal-content {
width: 100%;
border-radius: 6px;
}
}