JavaScript 弹出图片全屏的功能通常涉及到以下几个基础概念:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fullscreen Image</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<img id="thumbnail" src="path/to/image.jpg" alt="Thumbnail Image" onclick="openFullscreen(this);">
<div id="fullscreen-container" class="fullscreen-container">
<img id="fullscreen-image" src="" alt="Fullscreen Image" onclick="closeFullscreen();">
</div>
<script src="script.js"></script>
</body>
</html>
.fullscreen-container {
display: none;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.8);
justify-content: center;
align-items: center;
}
.fullscreen-container img {
max-width: 90%;
max-height: 90%;
}
function openFullscreen(img) {
const container = document.getElementById('fullscreen-container');
const fullscreenImage = document.getElementById('fullscreen-image');
fullscreenImage.src = img.src;
container.style.display = 'flex';
}
function closeFullscreen() {
const container = document.getElementById('fullscreen-container');
container.style.display = 'none';
}
document.addEventListener('keydown', function(event) {
if (event.key === 'Escape') {
closeFullscreen();
}
});
通过上述步骤和代码示例,可以实现一个简单且有效的全屏图片查看功能。
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