From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Another example using React.memo

Another example using React.memo

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Another example using React.memo

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This session demonstrates the power of React Memo for optimizing functional component re-renders in React applications. You'll apply it to another example to prevent unnecessary re-renders and improve performance. Let's begin with a simple React app. app. Let's create a components folder inside SRC and add WelcomeMessage.jsx, a component for displaying a welcome message. Moving to WelcomeMessage.jsx. Now I am creating a new functional component called WelcomeMessage and taking a user prop. Let's add a Console.log statement inside the WelcomeMessage component. This will output WelcomeMessageRendered to the console every time the component renders. This helps us visualize component re-renders during development. Now I am adding the JSX structure within our WelcomeMessage component. It returns an H3 element that dynamically displays a welcome message based on the user prop. If the user prop is provided, it includes a comma and then the user's name. Otherwise, it just says welcome. Going…

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