关于bootstrap3 fixed navbar 的问题

悬赏园豆：50 [已关闭问题] 关闭于 2014-03-07 14:06

我比着 http://v3.bootcss.com/examples/navbar-fixed-top/

这个页面敲代码代码完全一样但是做出来的效果却并不一样。

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>无标题文档</title>
 6 <link rel="stylesheet" href="http://cdn.bootcss.com/twitter-bootstrap/3.0.3/css/bootstrap.min.css">
 7 <script src="http://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
 8 <script src="http://cdn.bootcss.com/twitter-bootstrap/3.0.3/js/bootstrap.min.js"></script>
 9 
10 <body>
11 <div class="navbar navbar-default navbar-fixed-top" role="navigation"> 
12     <div class="container">
13         <div class="navbar-header">
14             <button class="navbar-toggle" type="button" date-toggle="collape" date-taget=".navbar-collapse">
15                 <span class="sr-only">Toggle navigation</span>
16                 <span class="icon-bar"></span>
17                 <span class="icon-bar"></span>
18                 <span class="icon-bar"></span>
19             </button>
20             <a class="navbar-brand" href="#">Project name</a>
21         </div>
22         <div class="navbar-collapse collapse">
23             <ul class="nav navbar-nav">
24                 <li class="active"><a href="#">Home</a></li>
25                 <li><a href="#">About</a></li>
26                 <li><a href="#">Contact</a></li>
27                 <li class="dropdown"> 
28                     <a class="dropdown-toggle" data-toggle="dropdown" href="#">DropDown <b class="caret"></b></a>
29                     <ul class="dropdown-menu">
30                         <li><a href="#">Acton</a></li>
31                         <li><a href="#">Another action</a></li>
32                         <li><a href="#">something else here</a></li>
33                         <li class="divider"></li>
34                         <li class="dropdown-header">Nav Header</li>
35                         <li><a href="#">One more separated link</a></li>
36                     </ul>
37                     
38                 </li>
39             </ul>
40             <ul class="nav navbar-nav navbar-right">
41                  <li><a href="#">Default</a></li>
42                  <li><a href="index.html">Static top</a></li>
43                  <li><a href="#">Fixed top</a></li>
44             </ul>
45         </div>
46     </div>
47 </div>
48 
49 <div class="container">
50     <div class="jumbotron">
51         <h1>大标题</h1>
52         <p>This example is a quick exercise to illustrate how the default, static and fixed to top navbar work. It includes the responsive CSS and HTML, so it also adapts to your viewport and device.</p>
53         <p>To see the difference between static and fixed top navbars, just scroll.</p>
54         <p>
55             <a class="btn btn-lg btn-primary" role="button">view navbar doc</a>
56         </p>
57     </div>
58 </div>
59 </body>
60 </html>