Printing and Variables in JavaScript

What keyword do you need to use to define a variable in JavaScript?

• variable

• var

• int

• x

Answer explanation

To define a variable in JavaScript, you need to use the keyword 'var'. It is used to declare a variable and assign a value to it.

What is the proper function to call to print to the screen?

• write

• println

• PRINT

• post

Answer explanation

The proper function to call to print to the screen is 'println'. It is used to print a line of text and automatically adds a new line character at the end.

Which of the following are types of variables? Select all that applies.

• String

• Floats

• Integers

• Boolean

Answer explanation

Variables can be of different types such as String, Floats, Integers, and Boolean. These types represent different kinds of data that can be stored and manipulated in a program.

Mayri inputs the following println("My name is Mayri"); What will be printed/displayed?

• My name is Mayri

• "My name is Mayri"

• "My name is Mayri."

• My name is Mayri.

Answer explanation

The correct answer is My name is Mayri because the println function will display the exact string that is passed as an argument.

Juan made the following variable ... var costOfApples = 3.6; What type of variable did he make?

• String

• Boolean

• Float

• Integer

Answer explanation

Juan made a float variable because the value assigned to costOfApples includes a decimal point.