Functional programming is a coding style based on using functions in your programs. It is an approach to software development based on the evaluation of functions. It breaks a program into small, and testable parts. You can combine basic functions in many ways to build more and more complex programs.

Functional programming follows a few core principles, One of those principles is that functions are independent of the program’s state or global variables. They depend on the arguments passed into them. Another principle In functional programming is that functions have minimal side effects in the program. In addition to that, they try to limit any changes to the state of the program and avoid changes to the global objects holding data.

In this article, we will explore some useful functional programming concepts in JavaScript. Let’s get right into it.

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