📜  切换类 onscroll 挂钩反应 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:13.310000             🧑  作者: Mango

代码示例1
const [scroll, setScroll] = useState(0)

  useEffect(() => {
    document.addEventListener("scroll", () => {
      const scrollCheck = window.scrollY < 100
      if (scrollCheck !== scroll) {
        setScroll(scrollCheck)
      }
    })
  })