Courses for absolute beginners

Learn to code.
From zero to hero.

Short, friendly lessons that start from the very first line of code. Real-life examples, code you can run in your browser, and a clear path all the way to mastery.
Start JavaScriptBrowse courses
lesson-01.jsRun
// Your first JavaScript program
let ticketPrice = 150;
let tickets = 4;

let total = ticketPrice * tickets;

console.log("Total: ₹" + total);
› Total: ₹600
Courses

Start with a course

Every course begins at the very first step and follows one clear road to the advanced topics. Pick one, learn at your own pace, and pick up exactly where you left off.
  • A step-by-step roadmap
  • Short, story-driven lessons
  • Code you can run in the browser
  • Progress tracking and favourites
  • Key takeaways for quick revision

JavaScript

Beginner friendly

10 modules · 41 lessons

Go from zero to hero in the language of the web. Variables, control flow, loops, arrays, objects and more, explained with everyday examples and code you can run in the browser.

+3

Starts from lesson one. No experience needed.

More courses on the way

New courses are being written, and each one follows the same road you see here.

Everything you need, in one place

No more twenty open tabs, scattered notes and half-finished playlists. Every course comes with the same set of tools, so learning something new always feels familiar, and coming back to revise takes minutes, not hours.
JS tutorial (2019)Stack Overflownotes_final_v3Video 14 of 86Blog: closuresInterview Qs PDFDocsForum threadCheat sheet

The usual way

  • Twenty tabs open, none of them finished
  • Notes scattered across apps and notebooks
  • No idea what to learn, or revise, next
  • Examples you can only read, not run
  • Starting over every time an interview comes up
AiroByte

Learning on AiroByte

  • Every lesson in one place, in the right order
  • A clear roadmap from your first step onwards
  • Run and change every example in your browser
  • Your progress and favourites saved as you go
  • Key takeaways ready for quick revision
The roadmap

A learning path built around how you actually learn

Every course follows the same road: start from zero, learn through stories, practise as you go, and come back to revise whenever you need.
Read it

Short lessons, explained with everyday life

Every lesson covers one idea, in plain English. Concepts are explained through things you already know, like booking cinema seats, filling a shopping cart or adding up exam marks.
JavaScript · Lesson 1
Course Roadmap
Your path from zero to building real apps with JavaScript.
Short readBeginnerReal-life example
Run it

Change the code and see what happens

Examples come with a playground built in. Change a value, break something on purpose, press Run. Nothing to install, and nothing you do can break your computer.
Playground
// Change any number and press Run
cart = [499, 1299, 250]
total = sum(cart)

print("Pay ₹" + total)
Pay ₹2048done · 3 ms
Revise it

Track what you've done, revise what you've forgotten

Mark lessons as complete, star the ones you want to come back to, and skim the key takeaways at the end of every lesson the night before an interview.

JavaScript

Your progress
  • Welcome
  • Introduction to JavaScript
  • Basic Syntax
  • Control Flow
  • Loops
Interview quick revision

Questions you'll almost certainly be asked

A taste of what the courses cover. Each answer links to the full lesson, with examples you can run.

Your first lesson is five minutes away

No installs, no setup. Start from lesson one, or jump into the learning path and brush up on what you need.
Start JavaScriptSee the learning path