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Showing posts with the label Default Props

Conditional Rendering in React Complete Guide with Examples 2026

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  Conditional Rendering in React Conditional Rendering is one of the most useful concepts in React. It means showing different content on the screen depending on a condition. For example: If a user is logged in → show Logout If a user is not logged in → show Login If a student has passed → show Congratulations If a product is available → show Buy Now If data is loading → show Loading... React does not have a separate if rendering tag. Instead, we use normal JavaScript conditions such as if, the ternary operator, &&, and switch to decide what should appear in the UI.

What are Default Props in React? Complete Beginner's Guide with Syntax & Examples (2026)

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  What are Default Props in React? (Complete Beginner's Guide) Introduction When building React applications, components often receive data through props. But what happens if a parent component forgets to send a prop? Without a default value, your component may display undefined, making the user interface look incomplete or broken. Default Props are predefined values assigned to a component's props. React automatically uses these values when a parent component does not pass a specific prop. To solve this problem, React provides Default Props. Default Props allow you to define fallback values that React automatically uses whenever a prop is not provided.