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
- Introduction to ECMAScript
- History and Versions
- Setting Up Your Environment
- Basic Syntax
- Variables and Scope
- Data Types
- Operators
- Control Structures
- Functions
- Objects and Prototypes
- Classes
- Arrays and Collections
- Error Handling
- Asynchronous Programming
- Modules
- Advanced Topics
- Best Practices
- Resources and Further Reading
How to Use This Tutorial
- Start with the introduction if you're new to programming
- Follow the chapters in order for a structured learning path
- Each chapter includes examples you can run in your browser's console or a Node.js environment
- Practice the concepts as you go through each section
- Use the resources section for additional learning materials
Prerequisites
- Basic understanding of programming concepts (helpful but not required)
- A text editor (VS Code recommended)
- Node.js installed (for running examples locally)
Let's begin your ECMAScript journey!