JavaScript Accelerator

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"?

In Javascript, if I have an array of arrays representing a matrix, say x = [ [1,2,3,4], [5,… Read more Sum Array Of Arrays (matrix) Vertically Efficiently/elegantly

Ways to call a function Consider this simple function: function my(p) { console.log(p) } I can cal… Read more A Shorthand For Function.prototype.call.call?

EDIT: I've added updated screenshots (at the end), for further clarification. I'm attemptin… Read more Why Are Higher Order Functions Hiding My Es6 Class Properties?

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 have recently encountered a question during an interview to implement a calculator using functio… Read more Calculator On Javascript Functions

If I have an array someArray that I first want to do some operations on and then pass that result t… Read more Pass Result Of Functional Chain To Function

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

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 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)?

I was looking for an example or solution for mapping or changing values of an object 'destructi… Read more Destructively Map Object Properties Function

Example given in JavaScript: Suppose we have two arrays [0,0,0] and [1,1,1]. What's the algorit… Read more Algorithm To Merge Two Arrays Into An Array Of All Possible Combinations

Hi I'm trying to figure out how to set up the key in a symbol iterator, this is the code I have… Read more Set Key In A Javascript Generator Function

I have the array below and each element has another array called FunctionalityChildren, I need find… Read more Find Object In Array With Subarray Checking An Property

Does the Hack-style pipe operator |> take precedence over grouping operator ( ) in order of oper… Read more Does The Hack-style Pipe Operator |> Take Precedence Over Grouping Operator ( ) In Order Of Operations In Javascript?

I want to use let expressions, but the following code doesn't work: true ? (let x=1, let y=2, x… Read more How To Use Let Declarations As Expressions?

I am attempting to use the Google Places API in order to get the place name of a location I am in. … Read more Ramda Js Best Way To Get The Tightest Geographic Bound

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

I have got two arrays of objects. I want to filter data based on permissionObj. This is coming from… Read more How To Filtering Array Of Sub-array Of Objects And Array Of Sub-array Of Objects In Javascript