JSFiddle - React, Tailwind, and code Playground

by Qwerty_Wasd

HTML

<!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">
		<title>Document</title>
	</head>
	<body>
		<script>
			window.addEventListener("load", function() {
				let genArr = Array.from(
					{
						length: parseInt(prompt("Введите размерность массива, число (по умолчанию 10)")) || 10,
					},
					function() {
						return Math.floor(Math.random() * 21) - 10;
					}
				);

				window.document.write("Сгенерированный массив: [" + genArr + "]");

				genArr = null;
			});
		</script>
	</body>
</html>