In JavaScript to understand a pure function is so important to know when you are very dependable in functional programming. Every pure function is a “Function” but every function is not a “Pure ...

We'll define and write pure functions and also rewrite functions to be pure. Fancy word, right? You'll sometimes notice this word being thrown around. It might sound intimidating, but all it means is ...

In addition, a pure function supports the following principles: The following code shows a scenario in JavaScript that uses a pure function created as an anonymous function assigned to the variable ...