MobX tutorial #1 - MobX + React is AWESOME Video Lecture | Learn React JS: Fundamentals for Front-End Developers - Front-End Programming

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FAQs on MobX tutorial #1 - MobX + React is AWESOME Video Lecture - Learn React JS: Fundamentals for Front-End Developers - Front-End Programming

1. What is MobX and why is it used in React programming?
Ans. MobX is a state management library that is commonly used in React programming. It provides a simple and efficient way to manage the application's state by using observable objects, computed values, and reactions. MobX eliminates the need for complex state management patterns like Redux, making it easier to develop and maintain React applications.
2. How does MobX work with React?
Ans. MobX works seamlessly with React by using its observer pattern. React components can be wrapped with the "observer" higher-order component from MobX, which automatically makes the component reactive to changes in the observed state. Whenever the observed state changes, the component will be re-rendered, ensuring that the UI is always up to date with the latest state.
3. What are observables in MobX?
Ans. Observables in MobX are objects or collections that can be observed for changes. When a property of an observable object is updated, MobX automatically detects the change and triggers reactions. This allows other parts of the application, such as React components, to reactively update based on the changes in the observables.
4. What are computed values in MobX?
Ans. Computed values in MobX are derived values that are automatically updated whenever their dependencies change. Computed values are defined as functions that depend on one or more observable values. When any of the observable values change, MobX re-evaluates the computed value and updates it accordingly. Computed values are useful for deriving new data from existing observable data.
5. What are reactions in MobX?
Ans. Reactions in MobX are functions that are automatically re-executed whenever their dependencies change. Unlike computed values, reactions do not return a value. Instead, they are typically used for performing side effects, such as making API calls or updating the DOM. Reactions ensure that the side effects are triggered whenever the observed state changes, providing a convenient way to keep the application in sync with the state.
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