Is Redux store in memory?

​ First, in terms of raw memory usage, Redux is no different than any other JavaScript library . The only difference is that all the various object references are nested together into one tree, instead of maybe saved in various independent model instances such as in Backbone.

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What is the Redux state?

State (also called the state tree) is a broad term, but in the Redux API it usually refers to the single state value that is managed by the store and returned by getState() . It represents the entire state of a Redux application, which is often a deeply nested object.

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