How do you conditionally render components?

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🎯 How Do You Conditionally Render Components in React?

Conditional rendering in React means showing components or elements based on certain conditions, like a user's login status, a value, or an event.

✅ 1. Using if Statements:

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if (isLoggedIn) {

  return <Dashboard />;

} else {

  return <Login />;

}

✅ 2. Ternary Operator (? :):

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{isDarkMode ? <DarkTheme /> : <LightTheme />}

✅ 3. Logical AND (&&) Operator:

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{hasAccess && <SecretComponent />}

If hasAccess is true, SecretComponent is rendered.

✅ 4. Switch/Case (for multiple conditions):

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switch (userRole) {

  case "admin": return <AdminPanel />;

  case "user": return <UserPanel />;

  default: return <GuestPage />;

}

✅ 5. Using Functions for Cleaner Logic:

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function renderComponent() {

  if (loading) return <Loading />;

  if (error) return <Error />;

  return <Content />;

}

return <div>{renderComponent()}</div>;

🧠 Summary:

Conditional rendering allows you to create dynamic UIs that respond to user input, state changes, and app logic. It’s a key part of building interactive and responsive React applications.

Read more: 

What are React Hooks? Name a few.

What is the virtual DOM and how does it improve performance?

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