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React with Redux


Redux has come to be the status quo for managing application-level state on the front-end these days, and those who work on "large-scale applications" often swear by it. This topic covers why and how you should use the state management library, Redux, in your React applications.


While React's component driven architecture is fantastic for breaking down the application into modular, encapsulated little pieces, it introduces some challenges for managing the state of the application as a whole. The time to use Redux is when you need to display the same data across more than one component or page (aka route). At that point you can no longer store the data in variables local to one component or the other, and sending messages between components quickly becomes a mess. With Redux your components are all subscribing to the same shared data in the store and thus the state can be easily reflected consistently across the entire application.

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