1 About this book

1.1 Where is the homepage of this book?

The homepage of “Exploring TypeScript” is exploringjs.com/ts/

1.2 What is in this book?

The chapters of this book are grouped into parts:

• Meta-content (information about the book etc.):
  • Part “Preliminaries”
• Using TypeScript almost immediately:
  • Part “Quick start to TypeScript”
• More information on common TypeScript features:
  • Part “Setting up TypeScript”
  • Part “Basic types”
  • Part “Types for objects, classes, Arrays, and functions”
  • Part “Dealing with ambiguous types”
• Advanced usage of types:
  • Part “Computing with types”

Required knowledge: You must know JavaScript. If you want to refresh your knowledge: My book “Exploring JavaScript” is free to read online.

1.3 What do I get for my money?

If you buy the digital package, you get the book in three DRM-free versions:

• PDF file
• ZIP archive with ad-free HTML
• EPUB file

1.4 How can I preview the content?

On the homepage of this book, there are extensive previews for all versions of this book.

1.5 How do I report errors?

• The HTML version of this book has a link to comments at the end of each chapter.
• They jump to GitHub issues, which you can also access directly.

1.6 What do the notes with icons mean?