简易懒加载

简易图片的懒加载函数

function imgLazyLoad(evet:any = null) {
  const scrollTop = document.documentElement.scrollTop;
  const clientHeight = document.documentElement.clientHeight;
  imgs.value?.forEach((e) => {
    if (
      e.parentElement &&
      e.parentElement?.offsetTop <= scrollTop + clientHeight
    )
      e.style.display = "inline-block";
  });
}
window.addEventListener("scroll", imgLazyLoad);