标签：位移 wrap OLE abs img margin pre color rip
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>随滚动条滚动广告图片</title>
<style>
body{margin: 0;}
.wrap{
height: 3000px;
background: #ccc;
}
.ad{
position: absolute;
z-index: 1000;
left:50px;
top:100px;
}
</style>
</head>
<body>
<div class="wrap">
<div class="ad">
<img src="winter.jpg" width="300" height="280">
</div>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
$(function () {
//offset获取当前元素的位移
let x = $(".ad").offset().left;
let y = $(".ad").offset().top;
//console.log("x=" + x + ",y=" + y);
$(document).scroll(function () {
//获取滚动条当前滚动产生的x y位移量
let sTop = $(document).scrollTop();
let sLeft = $(document).scrollLeft();
//前滚动产生的x y位移量 与原图片的位置 相加
$(".ad").offset({ top: y + sTop, left: x+sLeft });
});
});
</script>
</body>
</html>
标签：位移 wrap OLE abs img margin pre color rip
原文地址：https://www.cnblogs.com/taoist123/p/11172202.html
