Get started with functional programming in JS through this  series of explainers & interactive exercises. 

To access the full workshop, including video lessons, join FrontendMasters: frontendmasters.com/workshops/functional-first-steps

Anjana Vakil

Functional JavaScript First Steps

What is functional programming?

Exercise: Pure Functions

Staying out of the loop with recursion

Exercise: Iteration vs. Recursion

Flying first class with  higher-order functions

Exercise: Filter, Map, Reduce

Getting closure

Exercise: Closures & Currying

It's functions all the way down

Exercise: Function Composition

Immutability

Exercise: Avoiding mutation

Recap & takeaways

Next steps

Workshops using Observable for hands-on exercise materials

Workshops

Oh no!  Getting "Sorry, we couldn’t find that page." on https://observablehq.com/@anjana/recursion

Aaron Kyle Dennis

Ah thanks for flagging, fixed the link! All the materials can also be found in the collection: https://observablehq.com/collection/@anjana/functional-javascript-first-steps