3. 文字渐变与时间显示

文字渐变

h1 {
  background-image: linear-gradient(180deg, #b2d6f6, #00f5ff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

时间显示

const [now, setNow] = useState(new Date().toLocaleString())
useEffect(() => {
  setInterval(()=> setNow(new Date().toLocaleString()), 1000)
},[])