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Bootstrap 4 | Scrollspy

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  • Last Updated : 29 Apr, 2022

Sometimes while designing the website, we include some attractive features which makes website eye-catching. One of the features is Bootstrap scrollspy which target the navigation bar contents automatically on scrolling the area.
Create scrollspy: The data-spy=”scroll” and data-target=”.navbar” attribute is used to create scrollspy element. The scrollspy is used to update the navigation links when scrolling the page.

Example:  

HTML




<!DOCTYPE html>
<html lang="en">
<head>
    <title>Scrollspy</title>
    <meta charset="utf-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
    <style>
        body {
            position: relative;
        }
    </style>
</head>
<body data-spy="scroll" data-target=".navbar"
    data-offset="50">
    <nav class="navbar navbar-expand-sm bg-success navbar-dark fixed-top">
        <ul class="navbar-nav">
            <li class="nav-item">
                <a class="nav-link" href="#content1">
                    Home
                  </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#content2">
                    Algo
                  </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#content3">
                    DS
                  </a>
            </li>
            <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" href="#"
                    id="navbardrop" data-toggle="dropdown">
                    Languages
                </a>
                <div class="dropdown-menu">
                    <a class="dropdown-item"
                        href="#content4">
                          C
                      </a>
                    <a class="dropdown-item"
                        href="#content5">
                          C++
                      </a>
                </div>
            </li>
        </ul>
    </nav>
    <div id="content1" class="container-fluid bg-primary"
        style="height:250px; padding-top:80px;">
        <h1>GeeksforGeeks</h1>
         
<p>A computer science portal for geeks</p>
 
    </div>
    <div id="content2" class="container-fluid bg-light"
        style="height:250px; padding-top:80px;">
        <h1>Algorithm Analysis</h1>
         
<p>A stepwise procedure to solve a problem</p>
 
    </div>
    <div id="content3" class="container-fluid bg-warning"
        style="height:250px; padding-top:80px;">
        <h1>Data Structure</h1>
         
<p>
            Data structure is a particular way to
            organizing the datain computer memory
            so that it can be used efficiently.
        </p>
 
    </div>
    <div id="content4" class="container-fluid bg-info"
        style="height:250px; padding-top:80px;">
        <h1>C Languages</h1>
         
<p>
            C is a computer science programming language
        </p>
 
    </div>
    <div id="content5" class="container-fluid bg-dark"
        style="height:250px; padding-top:80px;">
        <h1>C++ Languages</h1>
         
<p>
            C++ is the extension of C language.
        </p>
 
    </div>
</body>
</html>


Output:  

Scrollspy Vertical Menu: It creates vertical navigation menu and the content are display according to the menu.  

HTML




<!DOCTYPE html>
<html lang="en">
<head>
    <title>Scrollspy</title>
    <meta charset="utf-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    </script>
    <script src=
    </script>
    <script src=
    </script>
    <style>
        body {
            position: relative;
        }
        ul.nav-pills {
            top: 20px;
            position: fixed;
        }
        div.col-8 div {
            height: 500px;
        }
    </style>
</head>
<body data-spy="scroll" data-target="#GFG_scrollspy"
    data-offset="1">
    <div class="container-fluid">
        <div class="row">
            <nav class="col-sm-4 col-4" id="GFG_scrollspy">
                <ul class="nav nav-pills flex-column">
                    <li class="nav-item">
                        <a class="nav-link active"
                            href="#content1">
                            Home
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link"
                            href="#content2">
                            Algo
                        </a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link"
                            href="#content3">
                            DS
                        </a>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle"
                            href="#" id="navbardrop"
                            data-toggle="dropdown">
                            Languages
                        </a>
                        <div class="dropdown-menu">
                            <a class="dropdown-item"
                                href="#content4">
                                  C
                              </a>
                            <a class="dropdown-item"
                                href="#content5">
                                  C++
                              </a>
                        </div>
                    </li>
                </ul>
            </nav>
            <div class="col-sm-8 col-8">
                <div id="content1" class="container-fluid bg-primary"
                    style="height:250px; padding-top:80px;">
                    <h1>GeeksforGeeks</h1>
                     
<p>A computer science portal for geeks</p>
 
                </div>
                <div id="content2" class="container-fluid bg-light"
                    style="height:250px; padding-top:80px;">
                    <h1>Algorithm Analysis</h1>
                     
<p>A stepwise procedure to solve a problem</p>
 
                </div>
                <div id="content3" class="container-fluid bg-warning"
                    style="height:250px; padding-top:80px;">
                    <h1>Data Structure</h1>
                     
<p>
                        Data structure is a particular way to
                        organizing the data in computer memory
                        so that it can be used efficiently.
                    </p>
 
                </div>
                <div id="content4" class="container-fluid bg-info"
                    style="height:250px; padding-top:80px;">
                    <h1>C Languages</h1>
                     
<p>
                        C is a computer science programming language
                    </p>
 
                </div>
                <div id="content5" class="container-fluid bg-dark"
                    style="height:250px; padding-top:80px;">
                    <h1>C++ Languages</h1>
                     
<p>
                        C++ is the extension of C language.
                    </p>
 
                </div>
            </div>
        </div>
    </div>
</body>
</html>


Output:  

 Supported Browsers:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari

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