Javascript Unit 3 Exam Questions With Verified Solutions Graded A+

JAVASCRIPT UNIT 3 EXAM QUESTIONS WITH VERIFIED SOLUTIONS GRADED A+

A store has 20 apples in its inventory. How can you store this information in a JavaScript
variable?



let numApples == 20;

20 = numApples;

let numApples = 20;

let num apples = 20; - Answers let numApples = 20;

You want to read input from the user to know how many apples they would like to buy. Which
statement should you use to read in a number from the user?



let applesToBuy = readLine("How many apples would you like? ");

let applesToBuy = console.log("How many apples would you like? ");

let applesToBuy = readInt("How many apples would you like? ");

let applesToBuy = nextInt("How many apples would you like? "); - Answers let applesToBuy =
readInt("How many apples would you like? ");

You are splitting up all of your apples equally between 3 people. Which statement below will
calculate how many apples will be left over?



let leftOver = numApples / 3;

let leftOver = 3 / numApples;

let leftOver = numApples % 3;

let leftOver = 3 % numApples; - Answers let leftOver = numApples % 3;

What is the output of the following program: (Assume the user enters 'Florence' then
'Fernandez'.)



let firstName = readLine("What is your first name? ");

, let lastName = readLine("What is your last name? ");

let wholeName = firstName + lastName;

console.log(wholeName);




Fernandez Florence



Florence

Fernandez



FlorenceFernandez



Florence Fernandez - Answers FlorenceFernandez

Which of the following choices is a properly formed JavaScript variable name, meaning it is both
legal in the JavaScript language and considered good style?



user_age

UserAge

userAge

User age - Answers userAge

If you were given the following variables:

let distance = 2; let time = 30;



What line of code would print the speed in km/hr if the distance is given in km and the time is
given in minutes? (Speed = distance / time)