bootstrap scollspy 滚动监听
<!doctype html> <html> <head> <meta charset="utf-8"> <title>联想控股</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="css/bootstrap.css" rel="stylesheet" type="text/css"> <script src="http://code.jquery.com/jquery.js"></script> <script src="js/bootstrap.min.js"></script> <style> body { position: relative; }
#section1 {
padding-top: 50px;
height: 500px;
color: #fff;
background-color: #1E88E5;
}
#section2 {
padding-top: 50px;
height: 500px;
color: #fff;
background-color: #673ab7;
}
#section3 {
padding-top: 50px;
height: 500px;
color: #fff;
background-color: #ff9800;
}
#section41 {
padding-top: 50px;
height: 500px;
color: #fff;
background-color: #00bcd4;
}
#section42 {
padding-top: 50px;
height: 500px;
color: #fff;
background-color: #009688;
}
</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" role="折叠式导航"> <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">Section 1</a> </li> <li> <a href="#section2">Section 2</a> </li> <li> <a href="#section3">Section 3</a> </li> <li class="dropdown"> <a class="dropdown-toggle" data-toggle="dropdown" href="#">Section 4 <span class="caret"></span></a> <ul class="dropdown-menu"> <li> <a href="#section41">菜单子板块1</a> </li> <li> <a href="#section42">菜单子板块2</a> </li> </ul> </li> </ul> </div> </div> </div> </nav>
<div id="section1" class="container-fluid"> <h1>Section 1</h1> <p>板块内容</p> </div> <div id="section2" class="container-fluid"> <h1>Section 2</h1> <p>板块内容</p> </div> <div id="section3" class="container-fluid"> <h1>Section 3</h1> <p>板块内容</p> </div> <div id="section41" class="container-fluid"> <h1>Section 4 菜单子板块1</h1> <p>板块内容</p> </div> <div id="section42" class="container-fluid"> <h1>Section 4 菜单子板块2</h1> <p>板块内容</p> </div>
</body>
<script>
(".nav li.active > a").text(); console.log(currentItem); }) </script> </html>