CodeHS: Unit 6 - JavaScript Basics

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

• write

• console.log

• print

• log

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

• variable

• let

• int

• x

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

• readLine

• readln

• text

• console.log

What will the following code print to the screen?

console.log(2 + 2);

• 2 + 2

• 4

• 22

• Nothing

What symbol do you use to do division in JavaScript?

• %

• /

• //

• *

What symbol do you use to do multiplication in JavaScript?

• x

• X

• *

• #

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;

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

What is at the end of a line of code?

• #
• ;
• )
• >

Which 1 of the following symbols is used for JavaScript comments?

• \\
• ^
• ?
• //