Combine individual types into flexible combinations with union types.
Continue your TypeScript learning journey with Learn TypeScript: Union Types. Union types help strike a balance between extreme specificity and being totally unspecific with our types. Combine individual types into flexible combinations with union types.
### Skills you’ll gain
* Combine multiple types using unions.
* Narrow down methods and properties available in a program with type narrowing.
* Define states within the program using literal types and unions.
### Notes on prerequisites
We recommend that you complete [Learn TypeScript: Complex Types](https://www.codecademy.com/learn/learn-typescript-complex-types) before starting this course.
Continue your TypeScript learning journey with Learn TypeScript: Union Types. Union types help strike a balance between extreme specificity and being totally unspecific with our types. Combine individual types into flexible combinations with union types.
### Skills you’ll gain
* Combine multiple types using unions.
* Narrow down methods and properties available in a program with type narrowing.
* Define states within the program using literal types and unions.
### Notes on prerequisites
We recommend that you complete [Learn TypeScript: Complex Types](https://www.codecademy.com/learn/learn-typescript-complex-types) before starting this course.
