What is the dispatch function useReducer? In the useReducer hook, the dispatch function is used to send actions to the reducer, which updates the state and re-renders the component with the new state. The useReducer hook takes a reducer function and an initial state as arguments, and returns an arra...
What is a reducer function in javascript? In the useReducer hook, the reducer is a pure function that takes the current state and an action and returns the next state. It handles the logic for updating the state based on the dispatched actions. Here is an example of a reducer function: function redu...
Three main differences between useReducer and useState hook useReducer and useState are both hooks in React allow you to manage the state within your components. They are similar in that they both allow you to store and update values within your component, but they have some key differences: Complex...
When to use useReducer hook? You might consider using the useReducer hook in the following situations: When you have complex state logic that involves multiple sub-values or the need to perform calculations based on the previous state. When you want to optimize performance by minimizing the number o...
What is the useReducer hook? useReducer is a hook in React that allows you to manage state within your components. It is similar to useState, but it is more powerful and can be more efficient in certain situations. useReducer takes two arguments: a reducer function and an initial state. The reducer ...
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