index.html

<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<title>JAVASCRIPT</title>
	</head>
	<body>
		<script>
		var text = 'Hello';

		function decorate(t) {
			return '#####------'+t+'--------####';
		}

		console.log(decorate(text));
		console.log(text);

		function decorateMore(t) {
			var a = decorate(t);
			return '(((' + a + ')))';
		}

		console.log(decorateMore('Courses'));
		
		</script>
	</body>
</html>