TestScope.js

const initApp = () => {
	const print = () => {
		console.log(num);
	};
	var num = 0;
	const increament = () => {
		num++;
	};
	return {
		value: num,
		print: print,
		increament: increament,
	};
};

var app = initApp();
app.print(); // should print 0
app.value += 1; // this doesn't actually change it.
// console.log(app.value); // this shows 1
app.print(); // should print 1
app.increament();
app.print(); // this works