Functional programming in JavaScript

on YouTube ↗47m

" summary

Overview of functional programming in JavaScript: what FP really means, which FP techniques (composition, monads, higher-order functions) have already entered everyday JS development, and concrete limitations of applying FP in JavaScript. Shows practical examples of building web frontends and backends using FP practices, explains why testing can be painful in current codebases, and how to verify your codebase is moving toward function-oriented design.

AI-written summary · about

" chapters (15)

1. 0:00Welcome
2. 3:33What is functional programming
3. 6:46Category theory basics
4. 10:40Pure functions matter
5. 13:10Functors and monads in JS
6. 17:59Imperative vs declarative
7. 21:16Lambda calculus role
8. 24:30Recursion and Y-combinator
9. 27:48Code examples
10. 31:33Composition and parallelism
11. 35:06Event-driven design
12. 39:05Microservice testing in FP
13. 41:14React and declarative ideas
14. 43:09Modern FP refactoring
15. 46:03Summary and Q&A

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