Practice Variables (3.2) - JavaScript for the Front End - Full Stack Web Development Basics
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Variables

Practice - Variables

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a variable?

💡 Hint: Think of a variable as a container for data.

Question 2 Easy

List three types of variables in JavaScript.

💡 Hint: Recall the memory aid SNumberBNullOArray!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which keyword is used to declare a constant variable?

let
const
var

💡 Hint: Think about the keyword we use for unchanging values.

Question 2

True or False: It is recommended to use global variables frequently in JavaScript.

True
False

💡 Hint: Think about project complexity and conflicts.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a JavaScript function that accepts two numbers as parameters, adds them together, and returns the result. Use let to declare your variables within the function.

💡 Hint: Think of the function as a mini-program that takes input, processes it, and gives output.

Challenge 2 Hard

Write a code snippet that creates an object representing a book with properties like 'title', 'author', and 'yearPublished'. Include an initial value for each property.

💡 Hint: Recall how to structure an object and how properties are defined in JavaScript.

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Reference links

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