Even then, if you declare a const and assign it an object, you can change anything you want within the object itself. In functional programming, this is a big no-no. Mutations are considered a ...

There’s a lot you can do with JavaScript: Images can swap when you move a mouse over them, form elements can influence each other on the fly, and calculations can be made without having to ...

One is that you can embed any JavaScript expression in JSX by wrapping it in curly braces. Another is that after compilation, JSX expressions become regular JavaScript objects.

This tutorial explains what is different and special about a functional programmer's approach, and demonstrates how to implement JavaScript functions from a functional programming point of view. It ...