📅  最后修改于: 2022-03-11 15:03:29.708000             🧑  作者: Mango
function isVisible (ele) {
const { top, bottom } = ele.getBoundingClientRect();
const vHeight = (window.innerHeight || document.documentElement.clientHeight);
return (
(top > 0 || bottom > 0) &&
top < vHeight
);
}