1. The following function is immediately invoked.

function f() { return 1; }

	True
	False

2. A function can return another function.

	True
	False

3. A variable that is declared outside of a function is called a(n) _______________ variable.

	global
	local
	program
	class

4. What does the following code display?

var a = 1;

function f() {

function n() {

console.log(a);

}

var a = 2;

n();

}

f();

	undefined
	1
	NaN
	2