Test on readLine() Function and Variables

What is the purpose of the readLine() function?

• To display output to the user.

• To gather input from the user.

• To perform calculations.

• To store data permanently.

In the following code, what will the output be if the user enters “Pizza”?

var food = readLine(Favorite food: );

println(“You like” + food + “!”);

• You like food!

• You like Pizza!

• You like!

• You like Favorite food!

A variable is required to store data collected using the readLine() function.

• True

• False

• Only for numbers

• Only for strings

User input collected with readLine() can only store numbers.

• True

• False

• Only integers

• Only decimals

Explain how you used readLine() in the Mad Lib Story Pt. 2 Exercise to make your program interactive.

• To display the main character.

• To change the story of the main character and name of book.

• To calculate the score.

• To save the game progress.

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

• print

• println

• display

• show

There are three basic types of variables. Which of the following is NOT one of them?

• number

• boolean

• string

• array

Which of the following is a good camelcase naming convention for a variable?

• var NumApples;

• var numapples;

• var numApples;

• var num_apples;

Which of the following is an example of a Boolean type?

• var gameOver = true;

• var gameOver = "true";

• var gameOver = 1;

• var gameOver = "yes";

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

• let

• const

• var

• define