Book a free demo

Learn JavaScript ยท lesson 8 of 8

Arrays: lists of things

Add "banana" to the array, then print how many fruits there are and the list joined with ", ".

Learn

An array holds a list in square brackets: ["mango", "apple"]. .push(x) adds to the end, .length counts the items, fruits[0] is the first item, and .join(", ") glues them into text.

Your task

Add "banana" to the array, then print how many fruits there are and the list joined with ", ".

โ† Functions

JavaScript
Press Run to see what your program prints.

FAQ

Arrays: lists of things: common questions

I am stuck. What can I do?

Press Hint for a nudge, read the message next to each goal, and compare your code with the lesson text. If you still need it, Show answer reveals a model solution. Try to type it yourself rather than copy it.

Does my work get saved?

Your ticks and XP are saved in this browser, and in your account if you log in. The code you type is not stored on a server.

Start a conversation

Enjoying coding? Meet a teacher.

Tell us the learner's age, country and what they would like to build, and we will suggest a class. A parent or guardian can make the enquiry.

  • Tell us the learnerโ€™s age or grade and goals
  • Weโ€™ll suggest a suitable class or learning path
  • Weโ€™ll confirm format, timing and fees with a parent or guardian

For a childโ€™s class, please have a parent or guardian send the enquiry. Avoid sharing passwords or sensitive personal details.

Weโ€™ll use your details only to respond to this request.

Play it, don't just read it

Write some code right now

Free games that need no sign-up. Pick one and play for five minutes.

All free games โ†’
Chat on WhatsApp
Esc

Try