Explain Key-events in JavaScript?

JavascriptWeb DevelopmentObject Oriented Programming

The key-events happen whenever a user interacts with keyboard. There are mainly three key event types − keydown, keypress and keyup.

OnkeydownThis event fires when the user is pressing a key
OnkeypressThis event fires when the user presses the key
OnkeyupThis event fires when the user releases the key.

Following is the code for key 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;
   .result {
      font-size: 18px;
      color: blueviolet;
      font-weight: 500;
<h1>Key-events in JavaScript</h1>
<div class="result"></div>
<h3>Press or release key to see the keyevent fired</h3>
   let resEle = document.querySelector(".result");
   document.body.addEventListener("keydown", () => {
      resEle.innerHTML = "keydown event is being fired <br>";
   document.body.addEventListener("keyup", () => {
      resEle.innerHTML = "keyup event is being fired";
   document.body.addEventListener("keypress", () => {
      resEle.innerHTML += "keypress event is being fired";


On holding down the key −

On releasing the key −

Published on 16-Jul-2020 13:12:54