1 <!DOCTYPE html><html>
2 <head>
3 <meta charset="utf-8">
4 <meta name="author" content="http://www.softwhy.com/" />
5 <title>测试absolute与fixed</title>
6 <style type="text/css"></style>
7 <link rel="stylesheet"href="position.css">
8 </head>
9 <body style="height:1000px;">
10 <div id="left">absolute</div>
11 <div id="right">fixed</div>
12 </body>
13 <h1>fixed相对移动的坐标是视图（屏幕内的网页窗口）本身，而absolute相对body坐标原点进行定位</h1>
14 </html>
1 div{
2 width:100px;
3 height:100px;
4 background:yellow;
5 }
6 #left{
7 left:0px;
8 top:100px;
9 font-size:28px;
10 position:absolute;
11 }
12 #right{
13 right:0px;
14 top:100px;
15 font-size:28px;
16 position:fixed;
17 }
18 h1{
19 left:0px;
20 top:100px;
21 font-size:18px;
22 }
