<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Работа с событиями мыши, клавиатуры и прокрутки в JavaScript</title>
<link rel="stylesheet" href="styles.css">
<script src="scripts.js"></script>
</head>
<body>
<div id="myDiv"></div>
<textarea id="myTextArea"></textarea>
</body>
</html>
window.onload = function()
{
document.getElementById('myDiv').onmousemove = () => { document.getElementById('myTextArea').innerHTML += 'mousemove|' };
document.getElementById('myDiv').onmouseover = () => { document.getElementById('myTextArea').innerHTML += 'mouseover|' };
document.getElementById('myDiv').onmouseout = () => { document.getElementById('myTextArea').innerHTML += 'mouseout|' };
document.getElementById('myDiv').onmousedown = () => { document.getElementById('myTextArea').innerHTML += 'mousedown|' };
document.getElementById('myDiv').onmouseup = () => { document.getElementById('myTextArea').innerHTML += 'mouseup|' };
document.getElementById('myDiv').oncontextmenu = () => { document.getElementById('myTextArea').innerHTML += 'contextmenu|' };
document.getElementById('myDiv').onclick = () => { document.getElementById('myTextArea').innerHTML += 'click|' };
document.getElementById('myDiv').ondblclick = () => { document.getElementById('myTextArea').innerHTML += 'doubleclick|' };
document.documentElement.onkeydown = () => { document.getElementById('myTextArea').innerHTML += 'keydown|' };
document.documentElement.onkeyup = () => { document.getElementById('myTextArea').innerHTML += 'keyup|' };
window.onscroll = () => { document.getElementById('myTextArea').innerHTML += pageYOffset + 'px'; };
};
Результат выполнения задания можно посмотреть
здесь.