Explain Scroll events in JavaScript.

The scroll event in JavaScript is fired when the user interacts with a scrollbar by moving it up or down.

Following is the code for scroll events in JavaScript −


 Live Demo

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
      height: 150vh; /*To have a scrollbar*/
      font-size: 18px;
      color: blueviolet;
      font-weight: 500;
<h1>Scroll events in JavaScript</h1>
<div class="result"></div>
<h3>Scroll the scrollbar to see some text in the above paragraph</h3>
   let resEle = document.querySelector(".result");
   window.addEventListener("scroll", () => {
      resEle.innerHTML = "The scroll event has fired";


On scrolling down a little −