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What is the usage of onscroll event in JavaScript?

The onscroll event occurs when scrollbar is being scrolled for an element. You can try to run the following code to learn how to implement onscroll event in JavaScript.

Example

<!DOCTYPE html>
<html>
   <head>
      <style>
         div {
            border: 2px solid blue;
            width: 300px;
            height: 100px;
            overflow: scroll;
         }
      </style>
   </head>
   
   <body>
      <div id="content">
         This is demo text. This is demo text.This is demo text.This is demo text.
         This is demo text.This is demo text.This is demo text.This is demo text.
         This is demo text.This is demo text.This is demo text.
         This is demo text.This is demo text.This is demo text.
         This is demo text.This is demo text.This is demo text.
      </div>
      <p id = "myScroll"> </p>
      <script>
         document.getElementById("content").onscroll = function() {myFunction()};
         function myFunction() {
            document.getElementById("myScroll").innerHTML = "Scroll successfull!.";
         }
      </script>
   </body>
</html>
Updated on 21-May-2020 07:48:28

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