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JavaScript Quiz, Week 1

A colorful and engaging illustration depicting JavaScript code, variables, and programming elements such as fun<wbr>ctions and data types, set against a digital background.

JavaScript Basics Quiz

Test your knowledge of JavaScript fundamentals with our engaging quiz! This quiz covers essential topics that are crucial for anyone starting their journey in programming.

10 thought-provoking questions
Check your understanding of variable names, data types, and functions
Perfect for beginners and those looking to refresh their skills

10 Questions2 MinutesCreated by CodingCrane102

For variable names, which of these are invalid?

1age

MyAge

My-age

Age

For variable names, what does case sensitive mean?

Variables cannot start with uppercase

The variables myAge and MyAge are two different names

Which variable name is in camelCase

FirstName

First_name

Firstname

Choose all the primitive types

String

Integer

Number

Null

Float

Undefined

Boolean

How do you make a comment?

# this is a comment

!! This is a comment

// this is a comment

## this is a comment

How can you see the variable type?

Typeof myVariable

Type myVariable

ShowType myVariable

Which symbol is used to multiply two numbers?

What is difference null and undefined?

Null is deliberate meaning no value; undefined means does not exist

Undefined is deliberate meaning no value; null means does not exist

What is the first word when do you start to write a function?

Fun

The name of the function

Function

What is the function body?

What is between the curly braces {}

What is between the parenthesis ()

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