Skip to content

You Don't Know JS Yet

Main Navigation

Introduction

Appearance

Sidebar Navigation

Introduction

You Don't Know JS Yet

Get Started

Intro

Table of Contents

Foreword

Preface

Chapter 1: What Is JavaScript?

Chapter 2: Surveying JS

Chapter 3: Digging to the Roots of JS

Chapter 4: The Bigger Picture

Appendix A: Exploring Further

Appendix B: Practice, Practice, Practice!

Scope & Closures

Intro

Table of Contents

Foreword

Preface

Chapter 1: What's the Scope?

Chapter 2: Illustrating Lexical Scope

Chapter 3: The Scope Chain

Chapter 4: Around the Global Scope

Chapter 5: The (Not So) Secret Lifecycle of Variables

Chapter 6: Limiting Scope Exposure

Chapter 7: Using Closures

Chapter 8: The Module Pattern

Appendix A: Exploring Further

Appendix B: Practice

Objects & Classes

Intro

Table of Contents

Foreword

Preface

Chapter 1: Object Foundations

Chapter 2: How Objects Work

Chapter 3: Classy Objects

Chapter 4: This Works

Chapter 5: Delegation

Types & Grammar

Intro

Table of Contents

Foreword

Preface

Chapter 1: Primitives

Chapter 2: Value Behaviors

Chapter 3: Object Values

Chapter 4: Coercing Values

Chapter 5: Work In Progress

Async & Performance

Intro

Table of Contents

Foreword

Preface

Chapter 1: Work In Progress

ES.Next & Beyond

Intro

Table of Contents

Foreword

Preface

Chapter 1: Work In Progress

On this page

Table of Contents for current page

You Don't Know JS Yet: Async & Performance - 2nd Edition

Foreword

NOTE:
Work in progress

Last updated:

Previous pageTable of Contents

Next pagePreface

Released under the MIT License.

You Don't Know JS Yet: Async & Performance - 2nd Edition ​

Foreword ​

You Don't Know JS Yet: Async & Performance - 2nd Edition

Foreword