You can wrap a functional component with the React.memo higher-order component to memoize its rendered output. Memoization is used to optimize functional components by preventing unnecessary renders when the input props do not change. It's particularly useful when dealing with performance-critical components that should only re-render when their props change.

In React-Redux, the hook used to extract data from the Redux store is useSelector. This hook allows you to select data from the store's state and use it in your components. mapDispatchToProps is used for dispatching actions, connect is a higher-order component for connecting React components to the store, and useEffect is used for side effects.

The main advantage of using Render Props over Higher Order Components (HOCs) in React is improved component reusability and composability. Render Props make it easier to share logic between components and are more flexible than HOCs, which can lead to more maintainable and readable code. While HOCs have their own benefits, they may not offer the same level of flexibility as Render Props.

To terminate a Web Worker from the main thread, you call the terminate() method. This method stops the execution of the worker thread. The other options are not the correct methods for terminating a Web Worker from the main thread.

When integrating third-party authentication providers, it's crucial to validate user input before sending it to the provider. This helps prevent security vulnerabilities like injection attacks. Storing user credentials on the client-side, sharing secrets in public repositories, and not enforcing MFA can all lead to security issues, but proper input validation is a fundamental security practice.

React's "Virtual DOM Diffing" ensures that only the objects that have changed are updated, which leads to efficient DOM updates. By comparing the current and next versions of the virtual DOM and updating only the differences, React minimizes the number of DOM operations required, resulting in better performance and responsiveness.

When using useState, to persist the same state across renders without causing re-renders, you can use the useCallback hook. This hook memoizes the provided function, ensuring that it doesn't change between renders unless its dependencies change. This can be useful for optimizing performance when passing callbacks to child components.

Portals are particularly useful in a React application for creating modal dialogs. Portals allow you to render components outside their parent hierarchy, which is essential for modals that need to appear above all other content. They are not typically used for server-side rendering, managing API requests, or styling components.

To implement event delegation in a React application, you should create separate event listeners for each element. This approach involves attaching a single event listener to a common ancestor and utilizing event propagation to handle events for multiple elements efficiently. It's a common technique to reduce the number of event handlers and optimize performance in large-scale React applications.

React Portals, despite their ability to exist anywhere in the DOM tree, behave like normal React children when it comes to event handling, including event bubbling. This means that events triggered inside a portal can bubble up to their ancestors in the React component hierarchy.

In the context of React and Redux, 'immutable state' refers to state that cannot be changed after it's created. In Redux, state immutability is a core principle. Instead of modifying the existing state, a new state object is created with the desired changes. This immutability ensures predictability and helps in tracking state changes, making debugging and testing easier.

React uses a virtual DOM to simplify development and improve performance. By working with a virtual representation of the DOM, React can minimize direct manipulation of the real DOM, reducing the risk of bugs and improving performance by batching updates. This approach doesn't aim to make the code more complex, ensure compatibility with older browsers, or increase bundle size.