TypeScript 101

Supercharge Your JavaScript with TypeScript

TypeScript builds on top of JavaScript, empowering you to write safer, more predictable code that runs flawlessly on any JavaScript runtime.

Key benefits for developers:

• Static Typing Advantage: TypeScript's intuitive type system catches errors early on, making your JavaScript code more robust and easier to maintain.
• Enhanced Productivity: Built-in safeguards like access control and concise class constructors help prevent common mistakes, freeing you to focus on building amazing applications.

Contents

• Static types

  • The Problem
  • Type annotation
  • Type inference
  • Any type
  • Implicit any
  • Type union
  • Type Assertion
  • Asserting to unexpected type
  • Type guard
  • Never type
  • Nullable types

• Using functions

  • Redefining functions
  • Understanding function parameters
  • Optional parameters