<title>Bootstrap 示例 - 滚动监听(Scrollspy)插件事件</title>
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<nav id="myScrollspy" class="navbar navbar-default navbar-static" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<button class="navbar-toggle" type="button" data-toggle="collapse"
data-target=".bs-js-navbar-scrollspy">
<span class="sr-only">切换导航</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
