JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Java script kurs</title>
</head>
<body>
<div>
	<script type="text/javascript">
    	


				var students = ["Абаканов Сергей", "Алалина Алина", "Гагарин Матвей", "Хантухова Лейла"];

				students.push("Сакуров Иогна");

				document.write("Количество элементов: " + students.[4]);




</script>	
</div>
</body>
</html>