Bootstrap 滚动监听（Scrollspy）插件

来源：互联网发布：淘宝的限时秒杀在哪里编辑：程序博客网时间：2024/05/16 18:32

滚动监听（Scrollspy）插件，即自动更新导航插件，会根据滚动条的位置自动更新对应的导航目标。其基本的实现是随着您的滚动，基于滚动条的位置向导航栏添加 .active class。

如果您想要单独引用该插件的功能，那么您需要引用 scrollspy.js。或者可以引用 bootstrap.js 或压缩版的bootstrap.min.js。

创建水平滚动监听，html代码

<!DOCTYPE html><html><head><title>Bootstrap 滚动监听（Scrollspy）插件</title><meta charset="utf-8"><link rel="stylesheet" href="css/bootstrap.min.css"><script src="js/jquery.min.js"></script><script src="js/bootstrap.min.js"></script><style>body {position: relative;}.container-fluid2 {padding-top: 50px;height: 500px;color: #fff;}p{font-size:24px;}</style></head><body data-spy="scroll" data-target=".navbar" data-offset="50"><nav class="navbar navbar-inverse navbar-fixed-top"><div class="container-fluid"><div class="navbar-header"><button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar"><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button><a class="navbar-brand" href="#">WebSiteName</a></div><div><div class="collapse navbar-collapse" id="myNavbar"><ul class="nav navbar-nav"><li><a href="#section1">课程1</a></li><li><a href="#section2">课程2</a></li><li><a href="#section3">课程3</a></li><li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#">课程4<span class="caret"></span></a><ul class="dropdown-menu"><li><a href="#section41">课程4-1</a></li><li><a href="#section42">课程4-2</a></li></ul></li></ul></div></div></div></nav><div id="section1" class="container-fluid2" style="background-color: blue; padding-top: 100px;"><h1>课程1</h1><p>Try to scroll this section and look at the navigation bar while scrolling! </p><p>Try to scroll this section and look at the navigation bar while scrolling!</p></div><div id="section2" class="container-fluid2" style="background-color: purple;"><h1>课程2</h1><p>Try to scroll this section and look at the navigation bar while scrolling! </p>    <p>Try to scroll this section and look at the navigation bar while scrolling! </p></div><div id="section3" class="container-fluid2" style="background-color:red;"><h1>课程3</h1><p>Try to scroll this section and look at the navigation bar while scrolling! </p>    <p>Try to scroll this section and look at the navigation bar while scrolling! </p></div><div id="section41" class="container-fluid2" style="background-color:green;"><h1>课程4-1</h1><p>Try to scroll this section and look at the navigation bar while scrolling! </p>    <p>Try to scroll this section and look at the navigation bar while scrolling! </p></div><div id="section42" class="container-fluid2" style="background-color: orange;"><h1>课程4-2</h1><p>Try to scroll this section and look at the navigation bar while scrolling! </p>    <p>Try to scroll this section and look at the navigation bar while scrolling! </p></div></body></html>

效果图

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