<!-- 引入 react 18.2 -->
<script src="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-y/react/17.0.2/umd/react.production.min.js" type="application/javascript"></script>
<script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-y/react-dom/17.0.2/umd/react-dom.production.min.js" type="application/javascript"></script>
<!-- 引入 babel 支持 jsx -->
<script src="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-y/babel-standalone/6.26.0/babel.min.js"></script>
<!-- jsx 语法使用 type="text/babel" -->
<script type="text/babel">
const COLORS = ['#bbf7d0', '#99f6e4', '#bfdbfe', '#ddd6fe', '#f5d0fe', '#fed7aa', '#fee2e2'];
const TAGS = ['HTML', 'CSS', 'JavaScript', 'Typescript', 'Tailwind', 'React', 'Next.js', 'Gatsby', 'UI/UX', 'SVG', 'animation', 'webdev'];
const DURATION = 15000;
const ROWS = 5;
const TAGS_PER_ROW = 5;
const random = (min, max) => Math.floor(Math.random() * (max - min)) + min;
const shuffle = (arr) => [...arr].sort( () => .5 - Math.random() );
const InfiniteLoopSlider = ({children, duration, reverse = false}) => {
return (
<div className='loop-slider' style={{
'--duration': `${duration}ms`,
'--direction': reverse ? 'reverse' : 'normal'
}}>
<div className='inner'>
{children}
{children}
</div>
</div>
);
};
const Tag = ({ text }) => (
<div className='tag'><span>#</span> {text}</div>
);
const App = () => (
<div className='app'>
<header>
<h1>无限滚动动画</h1>
<p>纯CSS实现,双向绑定,内容独立,方便自定义</p>
</header>
<div className='tag-list'>
{[...new Array(ROWS)].map((_, i) => (
<InfiniteLoopSlider key={i} duration={random(DURATION - 5000, DURATION + 5000)} reverse={i % 2}>
{shuffle(TAGS).slice(0, TAGS_PER_ROW).map(tag => (
<Tag text={tag} key={tag}/>
))}
</InfiniteLoopSlider>
))}
<div className='fade'/>
</div>
</div>
);
ReactDOM.render(
<App/>,
document.body
);
</script>
HTML
格式化
支持Emmet,输入 p 后按 Tab键试试吧!
<head> ... </head>
<body>
</body>
body {
font-family: 'Montserrat', sans-serif;
background: #252c41;
color: #f4f5f9;
}
.app {
min-width: 100vw;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
header {
display: flex;
flex-direction: column;
align-items: center;
margin: 1rem;
text-align: center;
h1 {
font-weight: 600;
font-size: 2rem;
margin-bottom: 0.5rem;
@media (min-width: 768px) {
font-size: 3rem;
}
}
p {
color: #94a3b8;
}
}
.tag-list {
width: 30rem;
max-width: 90vw;
display: flex;
flex-shrink: 0;
flex-direction: column;
gap: 1rem 0;
position: relative;
padding: 1.5rem 0;
overflow: hidden;
}
.loop-slider {
.inner {
display: flex;
width: fit-content;
animation-name: loop;
animation-timing-function: linear;
animation-iteration-count: infinite;
animation-direction: var(--direction);
animation-duration: var(--duration);
}
}
.tag {
display: flex;
align-items: center;
gap: 0 0.2rem;
color: #e2e8f0;
font-size: 0.9rem;
background-color: #334155;
border-radius: 0.4rem;
padding: 0.7rem 1rem;
margin-right: 1rem; // Must used margin-right instead of gap for the loop to be smooth
box-shadow:
0 0.1rem 0.2rem rgb(0 0 0 / 20%),
0 0.1rem 0.5rem rgb(0 0 0 / 30%),
0 0.2rem 1.5rem rgb(0 0 0 / 40%);
span {
font-size: 1.2rem;
color: #64748b;
}
}
.fade {
pointer-events: none;
background: linear-gradient(90deg, #252c41, transparent 30%, transparent 70%, #252c41);
position: absolute;
inset: 0;
}
@keyframes loop {
0% {
transform: translateX(0);
}
100% {
transform: translateX(-50%);
}
}