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Question 1

Analyze the following code:

let x 10;

console.log(x);

What exception will be thrown as a result of its execution attempt?

Options :

A :

ReferenceError

B :

RangeError

C :

TypeError

D : SyntaxError

Answer: D

Question 2

Analyze the following code:let point = {x: 10, y: 20};for (let f in point) { console.log(point[f]);}What will appear on the console as a result of its execution?

Options :

A : xy

B : 1020

C : point

D : 10

Answer: B

Question 3

Analyze the following code:let msg "Hello World";console.log(msg);What exception will be thrown as a result of its execution attempt?

Options :

A : TypeError

B : SyntaxError

C : ReferenceError

D : RangeError

Answer: B

Question 4

If a variable stores the value false then the variable:

Options :

A : will no longer be used in the program.

B : is of the Math type.

C : is of the Logical type.

D : is of the Boolean type.

Answer: D

Question 5

A recursive function is a function that:

Options :

A : does not use global variables.

B : does not return any value.

C : uses loop instructions.

D : calls itself again while running.

Answer: D