Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression using JavaScript. Linear regression is ...

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, ...

25.2 Pure Functions In the world of programming, especially in functional programming paradigms, the concept of pure functions is fundamental. Pure functions are a cornerstone of writing predictable, ...

Functions that are non-destructive and avoid any other “side-effects” are said to be “pure functions.” We can use forEach in this way, but the Array.map () function is specifically ...

My node Javascript file is statements that call defined functions. These statements have an if statement that executes a return statement when true. The program is Javascript, and recognized as such ...

First class functions Beyond the pure function ideal, in actual coding practice functional programming hinges on first class functions. A first class function is a function that is treated as a ...