JS Functional programming

Transcript

1. JS Functional Programming A talk made yesterday. Part 1. There is a lot to talk about.
2. JS: a multi-paradigm language so why use functional?
3. So why use functional? First class functions Anonymous functions
4. First class functions
5. Anonymous functions
6. This is where the fun begins Pure functions Higher Order Functions Function composition
7. Pure functions is a function that given the same input, will always return the same output and produces no side effects.
8. Pure functions
9. Higher Order functions is a function that takes a function as an argument, or returns a function
10. Higher Order functions
11. Composition is the process of combining two or more functions to produce a new function
12. Composition
13. complete example that has a little more sense