jquery如何实现边栏滚动固定跟随？
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
body{
font-size:80px;
margin:0;
padding:0;
}
.fl{
float:left;
width: 70%;
height: 2210px;
background: pink;
}
.fr{
float:right;
width: 29%;
height: 1000px;
background: cyan;
}
</style>
</head>
<body>
<div class="fl">左边
<div style="color:red">1</div>
<div style="color:orange">2</div>
<div style="color:red">3</div>
<div style="color:orange">4</div>
<div style="color:red">5</div>
<div style="color:blue">6</div>
<div style="color:orange">7</div>
<div style="color:red">8</div>
<div style="color:orange">9</div>
<div style="color:white">10</div>
<div style="color:orange">11</div>
<div style="color:red">12</div>
<div style="color:green">13</div>
<div sty...点击查看剩余70%
by thinkfuture
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