Jquery scrollTop() method


The scrollTop() method sets or returns the vertical scrollbar position for the selected elements. When the scrollbar is on the top, the position is 0.

Syntax



$(selector).scrollTop()




Example 


<!DOCTYPE html>
<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  <script>
$(document).ready(function(){
    $("button").click(function(){
        alert($("div").scrollTop() + " px");
    });
});
  </script>
</head>
<body>
  <div style="border:1px solid black;width:100px;height:150px;overflow:auto">
    this is nitin kumar . this is nitin kumar. this is nitin kumar  this is nitin kumar . this is nitin kumar .
  </div><br>
  <p>Move the scrollbar down and click the button again and again.</p>
  <button> alert  value of vertical position of the scrollbar</button>
</body>
</html>