- <!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/3.5.1/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>