js实现屏幕自适应局部

 1 <!doctype html>
 2 <html>
 3 <head>
 4 <meta charset="utf-8">
 5 <title>无标题文档</title>
 6 <style>
 7 *{
 8 margin:0;
 9 padding:0;
10 list-style:none;
11 }
12 div{
13 margin:0 auto;
14 height:10000px;
15 min-width:880px;
16 max-width:1100px;
17 background:#060;
18 clear:both;
19 }
20 ul{}
21 li{
22 float:left;
23 display:inline;
24 width:198px;
25 height:198px;
26 border:1px solid #ccc;
27 margin:10px;
28 }
29 </style>
30 </head>
31 
32 <body>
33 <div id="main">
34 <ul>
35         <li>11111111111</li>
36         <li>2222222222</li>
37         <li>33333333333</li>
38         <li>4444444444</li>
39         <li>55555555555</li>
40         <li>666666666</li>
41         <li>77777777777</li>
42         <li>888888888888</li>
43         <li>999999999</li>
44         <li>00000000000</li>
45         <li></li>
46         <li></li>
47         <li></li>
48         <li></li>
49         <li></li>
50         <li></li>
51         <li></li>
52         <li></li>
53         <li></li>
54         <li></li>
55         <li></li>
56         <li></li>
57         <li></li>
58         <li></li>
59         <li></li>
60     </ul>
61 </div>
62 
63 <script>
64 var winWidth;
65 window.onload=function(){
66 if (window.innerWidth)
67 winWidth = window.innerWidth;
68 else if ((document.body) && (document.body.clientWidth))
69 winWidth = document.body.clientWidth;
70 if(winWidth<=1100)
71 document.getElementById("main").style.width="880px";
72 else if(winWidth>=1100)
73 document.getElementById("main").style.width="1100px";
74 }
75 window.onresize=function(){
76 if (window.innerWidth)
77 winWidth = window.innerWidth;
78 else if ((document.body) && (document.body.clientWidth))
79 winWidth = document.body.clientWidth;
80 if(winWidth<=1100)
81 document.getElementById("main").style.width="880px";
82 else if(winWidth>=1100)
83 document.getElementById("main").style.width="1100px";
84 }
85 </script>
86 </body>
87 </html>
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