Functional programming and procedural programming often provide different views of the same thing. When I declare a function, such as y = 2x I may think of this as a procedure (sequential process ...

In functional programming, there are two varieties of functions: first-order functions and pure functions. First-order functions A first-order function takes standard data types (string, number, ...

Functional programming with arrays Although JavaScript’s arrays are very capable out of the box, the functional paradigm improves the clarity and maintainability of array code.