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Brussels | ITP-2025-1 | Preeti Tyagi | Week 9 | Sprint-3 | feature/slideshow #104

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Brussels | ITP-2025-1 | Preeti Tyagi | Week 9 | Sprint-3 | feature/slideshow #104

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10e864b
Update style.css
preeti-t Dec 10, 2025
b1a6738
Update index.html
preeti-t Dec 10, 2025
9481186
Update slideshow.js
preeti-t Dec 10, 2025
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49 changes: 35 additions & 14 deletions Sprint-3/slideshow/index.html
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Original file line number Diff line number Diff line change
@@ -1,14 +1,35 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Title here</title>
<script defer src="slideshow.js"></script>
</head>
<body>
<img id="carousel-img" src="./assets/cute-cat-a.png" alt="cat-pic" />
<button type="button" id="backward-btn">Backwards</button>
<button type="button" id="forward-btn">Forward</button>
</body>
</html>
body {
background-color: rgb(242, 106, 106);
}

#carousel-img {
width: 745px;
height: 559px;
object-fit: cover;
display: block;
margin: 0 auto;
border-radius: 8px; /* minor visual improvement */
}

#button-container {
display: flex;
justify-content: center;
gap: 12px; /* slightly smoother spacing */
margin-top: 20px;
}

.button {
background-color: bisque;
font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
font-size: 16px; /* fixing invalid font-size line */
font-style: oblique;
border-radius: 8px;
padding: 10px 24px;
cursor: pointer;
border: none; /* minor improvement */
transition: transform 0.2s ease; /* subtle UX enhancement */
}

.button:hover {
transform: scale(1.05);
}
67 changes: 65 additions & 2 deletions Sprint-3/slideshow/slideshow.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,71 @@
const images = [
window.images = [
"./assets/cute-cat-a.png",
"./assets/cute-cat-b.jpg",
"./assets/cute-cat-c.jpg",
];

let currentIndex = 0;
let intervalId = null;

// Write your code here
// Moves carousel one step (forward or backward)
function moveFrontOnce(forward) {
const images = window.images;

currentIndex = forward
? (currentIndex + 1) % images.length
: (currentIndex - 1 + images.length) % images.length;

const image = document.getElementById("carousel-img");
if (image) image.src = images[currentIndex]; // cleaner + safer
}

// Starts automatic forward movement
function startAutoForward() {
stopAuto();
intervalId = setInterval(() => moveFrontOnce(true), 2000);
toggleButtons(true);
}

// Starts automatic backward movement
function startAutoBackward() {
stopAuto();
intervalId = setInterval(() => moveFrontOnce(false), 2000);
toggleButtons(true);
}

// Stops any active autoplay
function stopAuto() {
if (intervalId) {
clearInterval(intervalId);
intervalId = null;
}
toggleButtons(false);
}

// Enables/disables control buttons
function toggleButtons(isRunning) {
document.getElementById("auto-forward").disabled = isRunning;
document.getElementById("auto-backward").disabled = isRunning;
document.getElementById("stop").disabled = !isRunning;
}

// Register button click handlers
document.addEventListener("DOMContentLoaded", () => {
document.getElementById("forward-btn")
.addEventListener("click", () => moveFrontOnce(true));

document.getElementById("backward-btn")
.addEventListener("click", () => moveFrontOnce(false));

document.getElementById("auto-forward")
.addEventListener("click", startAutoForward);

document.getElementById("auto-backward")
.addEventListener("click", startAutoBackward);

document.getElementById("stop")
.addEventListener("click", stopAuto);

// Stop is disabled initially
document.getElementById("stop").disabled = true;
});
36 changes: 36 additions & 0 deletions Sprint-3/slideshow/style.css
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Open in desktop
Original file line number Diff line number Diff line change
@@ -1 +1,37 @@
/** Write your CSS in here **/
body {
background-color: rgb(242, 106, 106);
}

#carousel-img {
width: 745px;
height: 559px;
object-fit: cover;
display: block;
margin: 0 auto;
border-radius: 8px; /* minor visual improvement */
}

#button-container {
display: flex;
justify-content: center;
gap: 12px; /* slightly smoother spacing */
margin-top: 20px;
}

.button {
background-color: bisque;
font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
font-size: 16px; /* fixing invalid font-size line */
font-style: oblique;
border-radius: 8px;
padding: 10px 24px;
cursor: pointer;
border: none; /* minor improvement */
transition: transform 0.2s ease; /* subtle UX enhancement */
}

.button:hover {
transform: scale(1.05);
}