JavaScript Functional Programming (FP)

Written by Cody Lindley

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Overview:

Learning resources and tools.


Definitions:

Functional Programming
In computer science, functional programming is a programming paradigm—a style of building the structure and elements of computer programs—that treats computation as the evaluation of mathematical functions and avoids changing-state and mutable data. It is a declarative programming paradigm in that programming is done with expressions or declarations instead of statements. In functional code, the output value of a function depends only on its arguments, so calling a function with the same value for an argument always produces the same result. This is in contrast to imperative programming where, in addition to a function's arguments, global program state can affect a function's resulting value. One of the key motivations for the development of functional programming is making a program easier to understand by eliminating changes in state that do not depend on function inputs which are called side effects.

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