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Javascript for Kids

Make learning JavaScript fun and engaging for kids with Javascript for Kids. A CoddyKit learning path of 35 short courses and 140 interactive lessons, with a 24/7 AI tutor at your side.

Courses
35
Lessons
140
Interactive steps
1,820
Free to start
Course 1
Curriculum

35 courses in this path

Every course in the Javascript for Kids path, in learning order. The first one is free.

1

A14 lessonsFree

A gentle, no-typing intro: what computers are, what code is, and the amazing things coders build. Just for curious kids!

2

A14 lessonsPRO

Learn the secret behind every program: the algorithm — a clear, step-by-step plan. Lots of fun, almost no typing.

3

A14 lessonsPRO

Unlock three coder superpowers — repeating with loops, deciding with choices, and fixing bugs — then you're ready for real code!

4

A14 lessonsPRO

Discover what coding is and how computers follow your instructions, with fun everyday examples.

5

A14 lessonsPRO

Make the computer show messages on the screen and say hello back to you.

6

A14 lessonsPRO

Learn to store and remember information using variables, like labeled boxes for your stuff.

7

A14 lessonsPRO

Use the computer as a super calculator with numbers and math operators.

8

A14 lessonsPRO

Work with text, join words together, and make fun sentences with strings.

9

A14 lessonsPRO

Teach the computer to make choices using if and else, just like you do every day.

10

A14 lessonsPRO

Counting Loops and Patterns: Counting Up, Counting by Steps, and more.

11

A24 lessonsPRO

Treasure Chests: Objects: What Is an Object?, Reading Properties, and more.

12

A24 lessonsPRO

Nested Loop Art: A Loop Inside a Loop, Rows and Columns, and more.

13

A24 lessonsPRO

Build a Calculator: Two Numbers, Doing Math, and more.

14

A24 lessonsPRO

Make the computer repeat actions many times without getting tired, using loops.

15

A24 lessonsPRO

Keep collections of things together in arrays, like a treasure chest of values.

16

A24 lessonsPRO

Create your own reusable commands called functions to do magic again and again.

17

A24 lessonsPRO

Explore true and false values and combine them to make smart decisions.

18

A24 lessonsPRO

Make programs that surprise you with random numbers, picks, and games of chance.

19

A24 lessonsPRO

Put everything together to build your very own number guessing game!

20

A24 lessonsPRO

Rock, Paper, Scissors: The Rules, Computer Picks, and more.

21

A24 lessonsPRO

Roll the Dice Game: Rolling a Die, Two Dice, and more.

22

A24 lessonsPRO

Story Maker: Collecting Words, Filling the Story, and more.

23

A24 lessonsPRO

Emoji Messages: Printing Emojis, Rows of Emojis, and more.

24

A24 lessonsPRO

Math Quiz Challenge: Making Questions, Checking Answers, and more.

25

A24 lessonsPRO

Temperature Converter: Two Temperature Scales, The Formula, and more.

26

A24 lessonsPRO

Secret Code Maker: What Is a Code?, Shifting Letters, and more.

27

A24 lessonsPRO

Countdown Timer: Counting Down to Zero, Waiting with setTimeout, and more.

28

A24 lessonsPRO

Coin Flip Game: Heads or Tails, Guessing, and more.

29

A24 lessonsPRO

Word Counter: Splitting Text, Counting Words, and more.

30

A24 lessonsPRO

Number Patterns: Even and Odd, Skip Counting, and more.

31

A24 lessonsPRO

Magic 8-Ball: Asking a Question, Random Answers, and more.

32

A24 lessonsPRO

Guess the Animal Game: A List of Animals, Giving Clues, and more.

33

A24 lessonsPRO

Build a Quiz Show: Quiz Questions, Asking in Order, and more.

34

A24 lessonsPRO

Simple Score Keeper: Starting at Zero, Adding Points, and more.

35

A24 lessonsPRO

Adventure Story Game: Planning the Adventure, Making Choices, and more.

CoddyKit PRO

Unlock all 35 courses in this path, and every other path

AI tutor, certification exam and certificate. Works on web, iOS and Android.

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Yearly$29.90 / yearAbout $2.49 a monthPay onceLifetime$69.99 onceNo renewals. PRO forever.
Course Overview

JavaScript for Kids: Real Code, Real Fun

JavaScript is the language that makes web pages interactive — buttons that respond, scores that update, games that run in the browser. This track teaches real JavaScript to younger learners through projects they actually want to build: number-guessing games, dice rollers, adventure stories, and quiz shows. Every concept is introduced through hands-on mini-projects rather than dry theory, so kids write working code from the very first lesson.

What You Will Learn

You will start with the core building blocks: variables like Magic Boxes, math operations, string manipulation with Word Play, and yes/no decisions. From there you move into loops and patterns, functions written as Your Own Spells, objects described as Treasure Chests, and arrays called Treasure Lists. The later courses put all of this together inside real projects — a Calculator, a Temperature Converter, a Secret Code Maker, a Countdown Timer, and a full Adventure Story Game.

The Learning Path

Thirty-five courses span levels A1 through A2. The A1 section establishes the fundamentals: algorithms, variables, math, decisions, and counting loops. The A2 section applies those skills to progressively richer projects — Nested Loop Art, Random Fun and Surprises, Rock Paper Scissors, Magic 8-Ball, Build a Quiz Show, and Adventure Story Game. Each step builds on the last so learners always have the background they need before tackling the next challenge.

How It Works

Each course is split into short, focused lessons completed in the built-in code editor with real-time feedback. When a concept is unclear, an AI tutor explains it in plain language and offers hints without just giving away the answer. Progress is saved automatically, so learners can pick up exactly where they left off.

How You'll Learn

  1. 01

    Interactive Lessons

    Hands-on coding exercises with real-time feedback

  2. 02

    AI Tutor

    Get instant help from our AI when you're stuck

  3. 03

    Built-in Editor

    Write and run code directly in your browser

  4. 04

    Certificate

    Earn a certificate when you complete the course

FAQ

Frequently Asked Questions

Is the Javascript for Kids course free?

Yes. You can start the Javascript for Kids course for free and complete its interactive lessons at no cost. An optional PRO subscription unlocks advanced AI tools and a shareable certificate.

Do I need prior experience to learn JavaScript?

No. The course begins with the fundamentals and gradually moves to more advanced topics, so you can start even with no prior JavaScript experience.

How will I learn JavaScript on CoddyKit?

You learn by doing. Short interactive lessons pair a clear explanation with a hands-on coding exercise that runs in real time, and a 24/7 AI tutor gives personalized help whenever you get stuck.

Do I get a certificate for completing Javascript for Kids?

Yes. PRO learners can take an exam and earn a shareable certificate of completion with a verifiable code for the Javascript for Kids course.

Can I learn JavaScript on my phone?

Yes. CoddyKit is available on the web and as native iOS and Android apps, so you can learn JavaScript on any device and your progress syncs across them.

How much does CoddyKit PRO cost?

The first course of Javascript for Kids is free. CoddyKit PRO unlocks every course: $5.90 per week, $7.90 per month, $29.90 per year, or $69.99 once for lifetime access with no renewals.

How long does it take to complete Javascript for Kids?

Javascript for Kids has 35 courses and 140 lessons. Most lessons take about 5–10 minutes, so the whole path is roughly 16 hours of hands-on practice, at your own pace.

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