Question 1: What is the data type of the value "Hello, World"?

• string

• number

• boolean

Question 2: What is the data type of the value true ?

• string

• number

• boolean

Question 3: What is the % operator?

• The modulus operator

• The division operator

• The concatenation operator

Question 4: What happens when you use the + operator on two strings?

• They get joined into a single string

• You can't use the + operator on two strings

Question 5: What is the operator symbol && represent in JavaScript?

• The logical OR operator

• The logical AND operator

• The logical NOT operator

Question 6: What happens when you use the + operator on a string and a number?

• Nothing - you can't use the + operator on different data types

• They get joined together as if both of them were strings

Question 7: What is the value of i after the following code runs?

 var i = 7;
 i += 1;
 i += 2;

• 7

• 8

• 9

• 10