CodeHS: Unit6 - JavaScript Basics

Front

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

Back

console.log

Front

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

Back

let

Front

What function do you need to call to ask the user of the program to enter text?

Back

readLine

Front

To ask the user of the program for a number, which function should you use? Options: readLine, readInt, readFloat, Both readInt and readFloat are for numbers.

Back

Both readInt and readFloat are for numbers.

Front

What will the following code print to the screen?
console.log(2 + 2);

Back

4

Front

What symbol do you use to do division in JavaScript?

Back

/

Front

What symbol do you use to do multiplication in JavaScript?

Back

*

Front

Which of the following returns a random number between 1 and 10? Options: randomInt(1, 10), randInt(1, 10), Randomizer.int(1, 10), Randomizer.nextInt(1, 10)

Back

Randomizer.nextInt(1, 10)

Front

How many possible values can Randomizer.nextBoolean() return?

Back

2

Front

Why do we write functions?

Back

To make our code easier to understand by giving a readable name to a group of instructions, To avoid writing repeated code, To make our code reusable.