closure_practice.html

<!DOCTYPE html>
<html>
<head>
	<title>Closure Practice</title>
</head>
<body>

<script type="text/javascript">
	
	let view;
	function initialize() {
		let called = 0;
		console.log("called is equal to " + called)
		return function () {
			if (called > 0){
				console.log("is called bigger than 0? " + called)
				return;
			} else {
				view = "widok";
				called++;
				console.log("view have been set, called " + called)
			}
		}
	}
	const setOnce = initialize();
	setOnce();
	setOnce();
	//setOnce();
	//setOnce();
	initialize();
	setOnce();
	setOnce();


	console.log(view);

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