ECMAScript Tutorial

Updated for ECMAScript 2025 (ES16). See new features highlighted in chapters 12, 14, 15, and 16.

Welcome to this comprehensive tutorial on ECMAScript! This guide will take you from the basics to advanced concepts, helping you master JavaScript's core language specification.

Table of Contents

  1. Introduction to ECMAScript
  2. History and Versions
  3. Setting Up Your Environment
  4. Basic Syntax
  5. Variables and Scope
  6. Data Types
  7. Operators
  8. Control Structures
  9. Functions
  10. Objects and Prototypes
  11. Classes
  12. Arrays and Collections
  13. Error Handling
  14. Asynchronous Programming
  15. Modules
  16. Advanced Topics
  17. Best Practices
  18. Resources and Further Reading

How to Use This Tutorial

Prerequisites

Let's begin your ECMAScript journey!