bootstrap完整导航栏
效果图：
代码：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script src="bootstrap-3.3.6-dist/js/jquery-1.11.2.min.js"></script> <link href="bootstrap-3.3.6-dist/css/bootstrap.css" rel="stylesheet"> <script src="bootstrap-3.3.6-dist/js/bootstrap.js"></script> <style> body { padding-top: 70px; } </style> </head> <body> //添加navbar-fixed-top可以让导航条一直固定在顶部，不会因为滚动条改变而改变，navbar-inverse让导航条黑底展示
<nav class="navbar navbar-default navbar-fixed-top navbar-inverse" role="navigation">
<div class="container"> //container让导航条居中container-fluid让导航条自适应
<div class="navbar-header">
//粉色字体代表响应式布局：当浏览器宽度小于某个值时导航栏折叠变成三道杠 <button class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" type="button"> <span class="sr-only">看看这是什么</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> //绿色代表导航栏左侧logo或者图标
<a class="navbar-brand" href="www.baidu.com">浏览器博物馆</a> </div>
//棕色包裹项目是导航条内容，为了响应式布局，点击三道杠弹出导航栏 <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
//紫色代表导航栏中的项目
<ul class="nav navbar-nav"> <li><a href="www.baidu.com">综述</a></li> <li>//蓝色为下拉菜单 <a class="dropdown-toggle" data-toggle="dropdown" href="www.baidu.com">简述<span class="caret"></span></a> <ul class="dropdown-menu" role="menu"> <li><a href="#">谷歌浏览器</a></li> <li><a href="#">IE浏览器</a></li> <li><a href="#">360浏览器</a></li> <li><a href="#">谷歌火狐浏览器</a></li> </ul>
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