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1. Redux Theory

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   const reduxFlow = {

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     1: "A call is made somewhere which dispatches an action",

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     2: "This action is passed into a reducer",

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     3: "That reducer then returns some new state",

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     4: "That state is updated in the store/state tree",

2. Node Event Loop

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   // node myfile.js

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   const pendingTimers = [];

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   const pendingOSTasks = [];

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   const pendingOperations = [];