JavaScript Apprenticeships

I have two functions and they are executed depending of if statement. E.g.: if(value) { doA() }… Read more Function That Will Execute Function Depending On Value. Functional Programming

Starting with a simple function composition const fa = (x => (x + 'a')); const fb = (x =… Read more Js Functions Composed In The Opposite Order

Monads in category theory is defined by triples T, unit, flat⟩. class Monad t where map :: (a -&… Read more Monads Not With "flatmap" But "flatunit"?

I have data in the format [ { 'timeline_map': { '2017-05-06': 770, … Read more Avoiding Nesting Maps When "pivoting" Multidimensional Array

How do I convert this JavaScript code to Clojure? I am trying to draw a (x,y) world where the cells… Read more How Do Convert This Code And My Thinking To A Functional Mindset (clojure)?

Something that is bugging me and my colleague. Consider the following... const {map, compose} = req… Read more Why Can't Promise.resolve Be Called As A Function?

I am trying move more towards functional programming in my javascript applications. I currently use… Read more Can I Make This Function Defenition Even Shorter?

I'm trying to understand how the following zip function (esp. the invoke function) can be made … Read more Fulfilling All Function Arguments In Order Before Invoking

I have built a y-combinator in js like this const y = f => { const g = self => x => f(sel… Read more Y-combinator In Javascript

The following code: var r = /^[0-9A-Z]$/.test; r('A') Throws 'TypeError: can't con… Read more Assigning Regexp.test To A Variable

Trying to learn to think like a functional programmer a little more---I'd like to transform a d… Read more Correct Use Of A Fold Or Reduce Function To Long-to-wide Data In Python Or Javascript?

How can I run Array.map off of an await? const CLASS_PATH = 'User/matt/Github/project'; con… Read more How To Array.map Chain Off Of Async Await?

I'm trying to learn JavaScript well and am practicing rebuilding some underscore functions. I&#… Read more Rebuilding _zip In Javascript Using Map, Arbitrary Arguments

I find myself over and over again, writing code like this, and is thinking. There must be a known p… Read more What Functional-pattern Is This? If Any?

I want to take an array [1, 2, 3] and return [1, 2, 3, 1]. I'm using Ramda, and I can get the d… Read more Using Ramda, And Pointfree Style, How Can I Copy The First Item Of An Array To The End Of It?

I am new to JS and was learning functional programming and came across the term 'referential tr… Read more Referential Transparency In Functional Programming

I'm trying to understand an angularjs file I need to use to integrate with Django, and it has a… Read more Why Is 'window.angular' Used Like So, In This Function Definition?

How do I convert this JavaScript code to Clojure? I am trying to draw a (x,y) world where the cells… Read more How Do Convert This Code And My Thinking To A Functional Mindset (Clojure)?

let bigArray = [ { Name: 'Trump', children: [ {Name: 'TrumpChi… Read more Find Object Inside Array Inside Another Array

While reading an article on implementation of a generalised curry in Javascript, I stumbled upon th… Read more Generalised Curry - Javascript