How can I optimize re-renders in a React-Redux application?
An example of an AI chatbot conversation about optimizing re-renders in React-Redux apps.
How can I optimize re-renders in a React-Redux application?
To optimize re-renders in a React-Redux app, you can use techniques like memoization, selectors, and React's PureComponent.
What are selectors and how do they help with performance?
Selectors are functions that extract specific pieces of state from the Redux store. They help by preventing unnecessary re-renders.
Can you give an example of a selector?
Sure! A simple selector could be const getUser = (state) => state.user; which retrieves the user data from the state.
What about using React.memo? How does that work?
React.memo is a higher-order component that prevents a functional component from re-rendering if its props haven't changed.
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