If else Statement

What is the main use of booleans in an if statement in JavaScript?

• As a loop condition

• As a condition to execute code

• To define a function

• To declare a variable

What must follow the if keyword in an if statement?

• A semicolon

• A boolean expression in parentheses

• A string

• A variable name

What happens if the condition in an if statement is false?

• The program stops

• Nothing, the code is not executed

• The code inside the curly braces is executed

• An error is thrown

How can you execute some code if the condition of an if statement is false?

• Include an else statement

• Declare a new variable

• Use a for loop

• Use a while loop

What does an else statement in an if-else statement do?

• Executes code if the condition is true

• Executes code if the condition is false

• Checks another condition

• Repeats the if statement

In the example, what message is printed if the 'is heads' variable is true?

• It's tails, you lose

• Nothing is printed

• It's heads, you win

• Error

What variable is used to determine if a user is logged in or not?

• is heads

• user status

• login

• logged in

What is printed to the console if the 'logged in' variable is true?

• You are currently logged out

• You are currently logged in

• Welcome user

• Login successful

What happens if you change the 'logged in' variable to false and run the program again?

• The program crashes

• Nothing is printed

• The message for being logged in is printed

• The message for being logged out is printed

What does the program print if the 'logged in' variable changes to true later in the program?

• An error message

• You are currently logged in twice

• You are currently logged in, then logged out

• You are currently logged out, then logged in