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Javascript for Kids · Lesson

Joining Words Together

Stick words together to make sentences.

Joining Words Together is a free Javascript for Kids lesson on CoddyKit — lesson 2 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the Javascript for Kids learning path, one of 4 lessons in the course, and your progress syncs across the web and the CoddyKit app.

Gluing Words Together 🧩

Hi again, super coder! 🌟 Today we join words together.

We use a magic plus sign + to stick strings side by side! ✨

console.log("Hello" + "World")

The Plus Sign Glue ➕

When you put + between two strings, they become ONE string!

"sun" + "flower" makes "sunflower" 🌻

console.log("sun" + "flower")

Adding a Space 🫧

Uh oh! "Hello" + "World" makes HelloWorld all stuck together.

Add a space string " " to fix it! 😄

console.log("Hello" + " " + "World")

Joining Names 🧒🧒

Let us glue a greeting and a name together!

We say "Hi, " then add the name. So friendly! 👋

console.log("Hi, " + "Lily")

Using Boxes 📦

We can join boxes (variables) too!

Put words in boxes, then glue the boxes. 🪄

let pet = "dog"
let sound = "woof"
console.log(pet + " says " + sound)

Building a Sentence 🏗️

You can join LOTS of pieces to build a whole sentence!

Each + adds another piece. 🧱

console.log("I" + " have " + "3" + " cats")

Joining a Name and a Smile 😊

Try gluing a name with a fun word at the end!

Make a happy message. 💛

let name = "Max"
console.log(name + " is awesome!")

Numbers and Strings 🔢

When you join a number to a string with +, the number becomes text!

"Age: " + 8 makes "Age: 8" 🎂

console.log("Age: " + 8)

The Order Matters 🔀

The order you glue words changes the result!

"cup" + "cake" is yummy, but "cake" + "cup" is silly! 🧁

console.log("cup" + "cake")

Make a Robot Talk 🤖

Let us make a robot say hello to a friend by joining strings!

Beep boop! 🤖

let friend = "Zoe"
console.log("BEEP! Hello " + friend + " BOOP!")

Your Turn to Glue 🖍️

Join three pieces to make your own sentence!

Change the words and have fun. 🎨

console.log("My " + "favorite " + "color is blue")

Quick Check ✅

Let us see what you remember! You got this! 💪

Glue Master! 🏆

Fantastic! 🎉 Today you learned:

  • Use + to join strings
  • Add " " for a space
  • You can join boxes and even numbers!

You are a word-gluing wizard! 🪄

console.log("I can join words now! 🎉")

Frequently asked questions

Is the “Joining Words Together” lesson free?

Yes — the full text of “Joining Words Together” is free to read here on the web, and the Javascript for Kids course includes 4 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the Javascript for Kids course, upgrade to CoddyKit PRO.

What will I learn in “Joining Words Together”?

Stick words together to make sentences. You practise Javascript for Kids with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.

Do I need any experience to start Javascript for Kids?

No prior experience is required. Javascript for Kids on CoddyKit is structured for beginners through advanced learners; this is — lesson 2 of 4, so you can start here or from the beginning and move at your own pace.

How long does the “Joining Words Together” lesson take?

Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.

Can I write and run code in this Javascript for Kids lesson?

Yes. Every Javascript for Kids lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.

All lessons in this course

  1. What Is a String?
  2. Joining Words Together
  3. How Long Is a Word?
  4. Making Words SHOUT or whisper
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