Basics

Introduction to JavaScript

• What is JavaScript?
• Including JavaScript in HTML
• JavaScript syntax and structure
• Running JavaScript in the browser

Data Types and Variables

• Primitive data types
• Variables (var, let, const)
• Type conversion and coercion

Basic Operators

• Arithmetic operators
• Comparison operators
• Logical operators
• Assignment operators

Control Structures

• Conditional statements (if, else if, else)
• Loops (for, while, do...while)
• Switch statement

Intermediate

Functions

• Defining and calling functions
• Function expressions and arrow functions
• Parameters and return values
• Scope and closures

Objects and Arrays

• Creating and manipulating objects
• Object methods and 'this' keyword
• Creating and manipulating arrays
• Array methods (map, filter, reduce)

DOM Manipulation

• Understanding the DOM
• Selecting elements (getElementById, querySelector)
• Modifying elements (textContent, innerHTML, style)
• Event handling (addEventListener, event objects)

Error Handling

• Try, catch, finally blocks
• Throwing custom errors
• Error objects

Advanced

Asynchronous JavaScript

• Callbacks
• Promises
• Async/await
• Fetching data from APIs

Object-Oriented Programming (OOP)

• Classes and objects
• Inheritance and prototypes
• Methods and getters/setters
• Encapsulation and modules

Modules

• Introduction to ES6 modules
• Exporting and importing modules
• Default exports
• Bundling modules with tools like Webpack

Advanced Techniques

• Higher-order functions
• Currying and function composition
• Design patterns (Singleton, Observer, Factory)