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 to:

• Configure the TypeScript development tools
• Use type annotations
• Create strongly typed functions and classes
• Use generic types
• Use type guards to determine types
• Create and consume type declaration files
• Use TypeScript to create web applications with Angular and React

About the technology

TypeScript 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.