In this video, you will learn how to move an object with arrow keys in javascript.
Subscribe : https://www.youtube.com/channel/UCBwPlFFaigg5WA-Y1Iz-HUA
Source code:
let circle = document.querySelector('.circle');
let moveBy = 10;
window.addEventListener('load', () => {
circle.style.position = 'absolute';
circle.style.left = 0;
circle.style.top = 0;
});
window.addEventListener('keyup', (e) => {
switch (e.key) {
case 'ArrowLeft':
circle.style.left = parseInt(circle.style.left) - moveBy + 'px';
break;
case 'ArrowRight':
circle.style.left = parseInt(circle.style.left) + moveBy + 'px';
break;
case 'ArrowUp':
circle.style.top = parseInt(circle.style.top) - moveBy + 'px';
break;
case 'ArrowDown':
circle.style.top = parseInt(circle.style.top) + moveBy + 'px';
break;
}
});
.circle{
height: 100px;
width: 100px;
border-radius: 50%;
background-color: green;
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="style.css">
<title>Document</title>
</head>
<body>
<div class="circle"></div>
<script src="script.js"></script>
</body>
</html>
#javascript