What does the alert function do in JavaScript?

Displays a message box to the user

How can you concatenate strings in JavaScript?

Using the asterisk (*) operator

What are function parameters used for?

To pass information into a function

To store the function's return value

To create loops within a function

JavaScript Basics Quiz

Interactive Video

•

Computers

•

6th - 8th Grade

•

Practice Problem

•

Hard

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a variable in JavaScript?

To perform calculations

To store data values

To create loops

To display messages

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to declare a variable in JavaScript?

let

const

var

int

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an external JavaScript file?

To style HTML elements

To store JavaScript code separately

To store images

To create databases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

JavaScript Basics Quiz

10 questions

What is the primary purpose of a variable in JavaScript?

Which keyword is used to declare a variable in JavaScript?

What is the purpose of an external JavaScript file?

Which HTML tag is used to include an external JavaScript file?