$(document).on("scroll", function () {
//真实内容的高度
var pageHeight = Math.max(
document.body.scrollHeight,
document.body.offsetHeight
);
//视窗的高度
var viewportHeight =
window.innerHeight ||
document.documentElement.clientHeight ||
document.body.clientHeight ||
0;
//隐藏的高度
var scrollHeight =
window.pageYOffset ||
document.documentElement.scrollTop ||
document.body.scrollTop ||
0;
//判断加载视频，文章，回答，医生
if (pageHeight - viewportHeight - scrollHeight <= 0) {
//事件
console.log("触底了");
}
});
