淡入淡出动画是一种常见的视觉效果,通常用于平滑地显示或隐藏页面元素。引导模式对话框是一种用户界面元素,用于在应用程序中引导用户完成某些任务或介绍新功能。
transition
或animation
属性实现淡入淡出效果。在使用淡入淡出动画时,引导模式对话框没有显示。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fade In/Fade Out Animation</title>
<style>
.dialog {
display: none;
opacity: 0;
transition: opacity 0.5s ease-in-out;
}
.dialog.show {
display: block;
opacity: 1;
}
</style>
</head>
<body>
<button onclick="showDialog()">Show Dialog</button>
<div class="dialog" id="dialog">
This is a guide dialog.
</div>
<script>
function showDialog() {
const dialog = document.getElementById('dialog');
dialog.classList.add('show');
}
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fade In/Fade Out Animation</title>
<style>
.dialog {
display: none;
opacity: 0;
}
</style>
</head>
<body>
<button onclick="showDialog()">Show Dialog</button>
<div class="dialog" id="dialog">
This is a guide dialog.
</div>
<script>
function showDialog() {
const dialog = document.getElementById('dialog');
dialog.style.display = 'block';
let opacity = 0;
const interval = setInterval(() => {
if (opacity >= 1) {
clearInterval(interval);
}
dialog.style.opacity = opacity;
opacity += 0.1;
}, 50);
}
</script>
</body>
</html>
通过上述方法,可以确保在淡入淡出动画时正确显示引导模式对话框。
领取专属 10元无门槛券
手把手带您无忧上云