Reactive Programming with JavaScript

Heisenbugs, loosely speaking, are subtle, slippery bugs that can be very hard to pin down

Familiar examples of declarative paradigms, as opposed to imperative paradigms, include both SQL and HTML.

In imperative programming, you specify what steps need to be done; declarative programming is the programming in which you specify what needs to be accomplished without telling how it needs to be done.

ReactJS is called the V of MVC.

This means that, as with RESTful web services, you will get the same result from a function whether you call it once or a hundred times.

Reactive programming, including the ReactJS framework (which is explored in this title), is intended to avoid the shared mutable state and be idempotent.

ReactJS framework (which is explored in this title), is intended to avoid the shared mutable state and be idempotent.

Please note, though, that side effects here are not what they are in common English, where all medications have some effects, which are the point of taking the medication, and some other effects are unwanted but are tolerated for the main benefit.