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THE VIDEO SHELF · monads in javascript

Monad - FunFunFunction #21

An episode of FunFunFunction explaining monads in JavaScript as functors that also implement flatMap. It builds on the preceding functor episode and works through code examples.

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Why HN readers recommended it

Recommended to people confused by monads as a friendly, practical explanation for JavaScript developers, with one commenter saying it finally made it click.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Fun Fun Function
Topic
monads in javascript
Format
tutorial
Level
intermediate
HN recommenders in dataset
3
HN mentions in dataset
4
Recommendation years in dataset
2016–2021

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I read this example years ago, and it didn't clear anything up for me. After half a year of trying to understand monads, I saw a video by MPJ/Funfunfunction [0] and it finally made sense. [0] [VIDEO]

    k__ on Hacker News · 2021-10
    In Functors, Applicatives, and Monads in Pictures (2013)

  • I like how mpj explains it. Monad - FunFunFunction #21 [VIDEO] Furthermore, the creator of Elm has a fun explanation too. Evan Czaplicki - Let's be mainstream! User focused design in Elm - Curry On [LINK] More serious computer scientist explains monads in the following. …

    intellectable on Hacker News · 2016-07
    In Functional Programming Jargon

  • Here's a half baked explanation, as in just the flatmap part. map is understood in javascript. So you 'just' need to make the leap to flatmap. Which is mapping something and flattening the result. So still you need to learn is what flatten is. But …

    icc97 on Hacker News · 2018-02
    In JavaScript Promises Discussion: Make Them Monadic? (2013)

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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