🔥 Understanding State and Re-Renders in React 🔥

Zeeshan SafdarZeeshan Safdar
1 min read

In React, state plays a critical role in how components are updated and re-rendered. Let’s break it down:

🚀 How does React update the UI? React is declarative, meaning we don’t manipulate the DOM directly. Instead, whenever state changes (via hooks like useState), React automatically re-renders the entire component to reflect the new data.

🌀 What happens during a re-render? When state changes, React calls the component function again, replacing the old view with an updated one. For example, if a button click fetches new advice from an API, React updates the state, triggering a re-render to display the new advice. 📝

This cycle is the core of React's power—React "reacts" to state changes and updates the UI accordingly. And that’s why the library is called React in the first place! 🌟

In summary, as React developers, we update state, and React does the magic of updating the UI, keeping everything in sync. 🎯

Please check these Super helpful slides

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Written by

Zeeshan Safdar
Zeeshan Safdar

An accomplished front-end developer with a strong background in creating visually stunning and user-friendly websites and web applications. My deep understanding of web development principles and user-centered design allows me to deliver projects that exceed client expectations. I have a proven track record of success in delivering projects on time and to the highest standards, and I am able to work well in a team environment and am always looking for new challenges to take on.