1. Strongly typed languages vs Loosely typed languages

2. Where/How does typescript code run?

3. Typescript compiler

4. Setup a typescript project

5. The tsconfig file

6. Return types and function inputs in ts

7. Interfaces

Typescript lacks real polymorphism, unlike java and cpp

• Lack of true polymorphism: The main limitation is that TypeScript doesn’t have runtime type checking or dynamic method resolution like some languages (e.g., Java or C#), so its polymorphism is limited to compile-time and type checking. You can't, for example, call methods dynamically on objects without first knowing their types, as TypeScript is statically typed.

8. Types