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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> <style> body { position: relative; } .affix { top: 20px; z-index: 9999 !important; } div.col-sm-9 div { height: 250px; font-size: 28px; } #section1 {color: #fff; background-color: #1E88E5;} #section2 {color: #fff; background-color: #673ab7;} #section3 {color: #fff; background-color: #ff9800;} #section41 {color: #fff; background-color: #00bcd4;} #section42 {color: #fff; background-color: #009688;} @media screen and (max-width: 810px) { #section1, #section2, #section3, #section41, #section42 { margin-left: 150px; } } </style> </head> <body data-spy="scroll" data-target="#myScrollspy" data-offset="15"> <div class="container-fluid" style="background-color:#2196F3;color:#fff;height:220px;"> <h1>Scrollspy & Affix Example</h1> <h3>Fixed vertical sidenav on scroll</h3> <p>Scroll this page to see how the navbar behaves with data-spy="affix" and data-spy="scrollspy".</p> <p>The left menu sticks the page after you have scrolled a specified amount of pixels, and the links in the menu are automatically updated based on scroll position.</p> </div> <br> <div class="container"> <div class="row"> <nav class="col-sm-3" id="myScrollspy"> <ul class="nav nav-pills nav-stacked" data-spy="affix" data-offset-top="205"> <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">Section 4-1</a></li> <li><a href="#section42">Section 4-2</a></li> </ul> </li> </ul> </nav> <div class="col-sm-9"> <div id="section1"> <h1>Section 1</h1> <p>Try to scroll this section and look at the navigation list while scrolling!</p> </div> <div id="section2"> <h1>Section 2</h1> <p>Try to scroll this section and look at the navigation list while scrolling!</p> </div> <div id="section3"> <h1>Section 3</h1> <p>Try to scroll this section and look at the navigation list while scrolling!</p> </div> <div id="section41"> <h1>Section 4-1</h1> <p>Try to scroll this section and look at the navigation list while scrolling!</p> </div> <div id="section42"> <h1>Section 4-2</h1> <p>Try to scroll this section and look at the navigation list while scrolling!</p> </div> </div> </div> </div> </body> </html>
