CSS文字从下往上滚动是一种动态效果,通过CSS动画实现文本的垂直滚动。这种效果常用于网页的标题、公告栏或者滚动新闻等场景,以吸引用户的注意力。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS文字从下往上滚动</title>
<style>
.scroll-text {
width: 100%;
height: 50px;
overflow: hidden;
position: relative;
}
.scroll-text p {
position: absolute;
bottom: 0;
animation: scroll-up 10s linear infinite;
}
@keyframes scroll-up {
0% {
transform: translateY(100%);
}
100% {
transform: translateY(-100%);
}
}
</style>
</head>
<body>
<div class="scroll-text">
<p>这是一段从下往上滚动的文字示例。</p>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS文字从下往上滚动</title>
<style>
.scroll-text {
width: 100%;
height: 50px;
overflow: hidden;
position: relative;
}
.scroll-text p {
position: absolute;
bottom: 0;
}
</style>
</head>
<body>
<div class="scroll-text">
<p>这是一段从下往上滚动的文字示例。</p>
</div>
<script>
const textElement = document.querySelector('.scroll-text p');
let scrollSpeed = 1;
function scrollText() {
const currentTop = parseInt(textElement.style.bottom, 10);
textElement.style.bottom = (currentTop - scrollSpeed) + 'px';
if (currentTop <= -textElement.offsetHeight) {
textElement.style.bottom = '100%';
}
}
setInterval(scrollText, 50);
</script>
</body>
</html>
transform: translateY(-100%);
,或在JavaScript中重置文字位置。通过以上方法,你可以轻松实现CSS文字从下往上滚动的效果,并根据需要调整和优化。
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