JavaScript for Starters 🚀

A hands-on, beginner-friendly JavaScript course covering everything you need to get started writing real JavaScript code.

📚 Course Modules

Module	Topic	What You'll Learn
01	Introduction	What is JavaScript, how to run it, your first program
02	Variables & Data Types	var, let, const, strings, numbers, booleans, null, undefined
03	Operators	Arithmetic, comparison, logical, and assignment operators
04	Control Flow	if/else, switch, ternary operator
05	Loops	for, while, do...while, for...of, for...in
06	Functions	Declarations, expressions, arrow functions, parameters, return values
07	Arrays	Creating arrays, built-in methods, iteration
08	Objects	Creating objects, properties, methods, destructuring
09	ES6+ Features	Template literals, spread/rest, destructuring, modules
10	Async JavaScript	Callbacks, promises, async/await

🚀 Getting Started

Prerequisites

• Node.js v16 or higher

Setup

# Install dependencies (needed for running tests)
npm install

# Run all tests to verify your solutions
npm test

How to Use This Course

1. Read each module's README.md to understand the concepts.
2. Study the examples/ folder — runnable code demonstrating each topic.
3. Complete the exercises in the exercises/ folder.
4. Check your answers in the solutions/ folder.
5. Run the tests to validate your exercise solutions.

Running Examples

Each example can be run directly with Node.js:

node course/01-introduction/examples/hello-world.js
node course/02-variables-and-data-types/examples/variables.js
# ...etc

🧪 Running Tests

# Run all module tests
npm test

# Run tests for a specific module
npx jest course/02-variables-and-data-types

📝 Course Philosophy

• Learn by doing — every concept comes with working examples and exercises.
• Progressive — each module builds on the previous one.
• Modern JavaScript — we use ES6+ syntax throughout, as you'll see it everywhere.

Happy coding! 🎉