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  • How To Create a Scrollspy in Bootstrap

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    With the help of Bootstrap we can create a Scrollspy function.The Scrollspy plugin is used to automatically update links in a navigation list based on scroll position. According to the below example, i am using data-spy=scroll it is used to scolling element, after then I have used data-target attribute. The Target data attribute is used to make id or class name of the navigation bar.

    <!DOCTYPE html>
    <html>
    <head>
      <title>Evon-tec</title>
      <meta charset="utf-8">
      <meta name="viewport" content="width=device-width, initial-scale=1">
      <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
      <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
      <style>
      .test {
          position: relative; 
          top: 50px;
          height: 240px;
          overflow: auto;
          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;}
      </style>
    </head>
    <body>
    
    <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="#">IT & network Company </a>
        </div>
        <div>
          <div class="collapse navbar-collapse" id="myNavbar">
            <ul class="nav navbar-nav">
              <li><a href="#section1">Box-1</a></li>
              <li><a href="#section2">Box-2</a></li>
              <li><a href="#section3">Box-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">Text 4-1</a></li>
                  <li><a href="#section42">Text 4-2</a></li>
                </ul>
              </li>
            </ul>
          </div>
        </div>
      </div>
    </nav>    
    
    <div data-spy="scroll" data-target=".navbar" data-offset="12" class="test">
      <div id="section1">
        <div class="container-fluid">
          <h1>Evon</h1>
          <p>We are a team of 200+ technology evangelists, simply in love with the town we are headquartered in.  </p>
          <p>Try to scroll this section and look at the navigation bar while scrolling!</p>
        </div>
      </div>
      <div id="section2">
        <div class="container-fluid">
          <h1>Ericsson-network</h1>
          <p>Like most of our kind, we are a custom software development company.  </p>
          <p>The company's offerings comprise services, software and infrastructure</p>
        </div>  
      </div>
      <div id="section3">
        <div class="container-fluid">
          <h1>Ericsson-pvt</h1>
          <p>Ericsson is a Swedish multinational provider of communication technology and services.  in information and communications technology </p>
          <p>We believe that the Project Requirement Document is just a small part of contribution from your side on the road to success</p>
        </div>  
      </div>
      <div id="section41">
        <div class="container-fluid">
          <h1>Microsoft</h1>
          <p>We need you there at every step of project execution. We require long meetings with you. </p>
          <p>At Microsoft our mission and values are to help people and businesses </p>
        </div>  
      </div>
      <div id="section42">
        <div class="container-fluid">
          <h1>Apple</h1>
          <p>Try to scroll this section and look at the navigation bar while scrolling!</p>
          <p>At Microsoft our mission and values are to help people and businesses throughout</p>
        </div>  
      </div>
    </div>
    
    </body>
    </html>
    

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