Online Coding Lessons JavaScript Coding for Kids 2

Question 1

Which keyword creates a variable that can be changed later in JavaScript?

Accepted Answer

let

Answer

const

Answer

fixed

Answer

lock

Question 2

What will alert(2 + 3) show on the screen?

Accepted Answer

5

Answer

23

Answer

2 + 3

Answer

Error

Question 3

How do you write a single-line comment in JavaScript?

Accepted Answer

// this is a comment

Answer

Answer

# comment

Answer

** comment

Question 4

Which symbol joins two pieces of text (strings) together?

Accepted Answer

+

Answer

&

Answer

*

Answer

%

Question 5

What does the prompt() function do in a web page?

Accepted Answer

Asks the user to type something

Answer

Plays a sound

Answer

Changes the color

Answer

Closes the page

Question 6

Which value is a boolean in JavaScript?

Accepted Answer

true

Answer

"hello"

Answer

42

Answer

[1, 2]

Question 7

What punctuation usually ends a line of JavaScript code?

Accepted Answer

Semicolon ;

Answer

Period .

Answer

Comma ,

Answer

Colon :