Now in its third edition, this bestselling guide to TypeScript takes you through the nuts and bolts of the language. No frills, no fuss - just TypeScript essentials!TypeScript enhances JavaScript with static typing, while keeping all the JS flexibility you know and love! It's the perfect choice for any developer looking to improve the predictability and reliability of their code. Essential TypeScript 5, Third Edition teaches you how to get the most out of TypeScript 5 for a consistent, dependable development experience.Inside Essential TypeScript 5, Third Edition you'll learn how The book starts you off with a proper understanding of the JavaScript type system that will make using TypeScript so much easier. On that solid foundation, you'll build your understanding of TypeScript development, following a hands-on learning path all the way to TypeScript's advanced features.About the technologyTypeScript is a popular superset of JavaScript that adds support for static typing. TypeScript's typing features, which will be instantly familiar to C# or Java programmers, help you reduce errors and improve the overall quality of your JavaScript code.About the bookEssential TypeScript 5 is a fully updated third edition of the classic Adam Freeman bestseller. It provides full coverage of TypeScript 5, including new features like decorators. You'll begin with the hows-and-whys of TypeScript, then quickly progress to practical applications of static types. No wasted pages! Each chapter is focused on the skills you need to write awesome web apps.What's insideAbout the readerFor JavaScript developers. No previous experience with TypeScript required.About the authorAdam Freeman has held senior positions in a range of companies, most recently serving as CTO and COO of a global bank. He has written 50 programming books. The technical editor on this book is Fabio Claudio Ferracchiati.Table of Contents1 Understanding TypeScriptPart 12 Your first TypeScript application3 JavaScript primer, part 14 JavaScript primer, part 25 Using the TypeScript compiler6 Testing and debugging TypeScriptPart 27 Understanding static types8 Using functions9 Using arrays, tuples, and enums10 Working with objects11 Working with classes and interfaces12 Using generic types13 Advanced generic types14 Using decorators15 Working with JavaScriptPart 316 Creating a stand-alone web app, part 117 Creating a stand-alone web app, part 218 Creating an Angular app, part 119 Creating an Angular app, part 220 Creating a React app21 Creating a React app, part 2