I can certainly recommend you a few of my favorites, but I'm pretty sure anyone would tell you something entirely different. While functional programming is possible in JavaScript, it may make more sense to use a language specifically designed for it. Functional programming (FP), the term is very obvious for Haskell, Scala, Elixir, Lisp programmers. You will … Popular programming languages that support functional programming techniques are JavaScript, Python, Ruby and many others.

Fortunately, new array handling operators map, filter, and reduce are widely supported. Functional, or declarative, programming is a very powerful programming method and is gaining popularity in the software industry. There are simply too many resources out there to learn functional programming. Functional Programming Resources. We look at using map, filter, and reduce to manipulate arrays of objects, using techniques borrowed from functional programming.. Data manipulation is a common task in any JavaScript application. Functional Programming is a programming pattern or practice which is based on pure functions which focus on avoiding data sharing and mutations. Functional Programming is not a new concept, actually its roots go back o the 1930’s when lamda calculus was born, and has influenced many programming languages. If you are a javascript developer and new with functional programming then bear with me till the end. While the documentation for these features is sufficient, it often shows very basic use cases for implementation. JavaScript: Functional Programming for JavaScript Developers.

This article introduces some of the relevant functional programming concepts, and provides examples to use those concepts effectively.

Here's how the example above would look in the Elm language : sumRange start end acc = if start > end then acc else sumRange (start + 1) end (acc + start) // 55 Javascript is a multi-paradigm language that can be used as procedural, object-oriented and functional according to our necessities and implementation.