💡 React components are defined as classes or functions with application state access i.e. classes extend React.Component, and functions use the useState helper to access state values/objects. Overall, it’s certainly true that you can write an entire application using nothing but React’s component state. Redux’s creator Dan Abramov says that people often jump into Redux too early, and wrote an article called “You Might Not Need Redux” to encourage people to think about why they want to use Redux. That said, there are some great reasons to use Redux in a React application (or even with other frameworks, like Angular). As with any technology, there are tradeoffs involved, but from my perspective, using Redux is absolutely worth it.

In this article, we’ll be covering the fundamentals of Redux. We will learn what Redux is at its core along with its three key principles. If we dig deeper into this statement, we see that Redux is a state management library that you can use with any JS library or framework like React, Angular, or Vue. When embarking on any why redux career it’s always worth heeding the advice of those who have traveled along the same path before us. While these were the patterns originally shown in the Redux docs, they unfortunately require a lot of very verbose and repetitive code. On top of that, the boilerplate-y code lead to more opportunities to make mistakes.

Learn React the right way

In conclusion, using Redux with ReactJS brings several advantages to your application development process. It offers centralized state management, predictable state updates, efficient component communication, scalability, and benefits from a thriving ecosystem and community support. By combining the strengths of ReactJS and Redux, you can build robust, maintainable, and scalable applications with ease.

why redux

It will help you remember what each piece is trying to accomplish. In the case of mapStateToProps, we are going to map parts of the global state object to our component props object. Let’s take a step back before we get into the details of what our reducer functions do.


It introduces complexity, indirection and constraints into your code, which can be frustrating if there is no good reason for doing so. Using Redux also means learning how it works, which again could be a waste of time if you don’t need it. The same ‘State of JavaScript’ survey shows that satisfaction levels among developers using Redux have declined from 93% in 2016 to 67% in 2020.

why redux

Learning React is easy, but getting used to the entire React ecosystem takes time. This tutorial is an introduction to one of the integral components of the React ecosystem—Redux. The dashboard includes a set of widgets and provides users a lot of options to customize them.

It was first introduced by Dan Abramov and Andrew Clark in 2015. Some components may need to access the same state but display it in different ways. Without Redux to receive information about the account status or to deposit money, you have to go to each bank separately.

At all times the application is up and running, this component has to show the updated number of items in the user’s cart. We will also see how some of its core building blocks work, such as store, actions, and reducers and how they all come together and make Redux the global state management library that it is. Redux allows you to manage your app’s state in a single place and keep changes in your app more predictable and traceable.

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