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What Is React?

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What is React? React is a JavaScript library used for building user interfaces (UI), especially for web applications. It is widely used to create interactive and dynamic single-page applications (SPAs). Key features of React include: 1. Component-Based Architecture: React allows you to break the UI into reusable, self-contained pieces called components. Example: A "header" or "button" can be a component that you can reuse across your app. 2. JSX (JavaScript XML): React uses a syntax extension called JSX, which looks like HTML but is written in JavaScript. 3. Virtual DOM: Instead of directly updating the webpage, React creates a lightweight copy of the DOM (called the virtual DOM) and updates only the changed parts, improving performance. 4. Unidirectional Data Flow: Data flows in one direction (from parent to child components), making it easier to manage and debug applications. 5. Declarative: React allows developers to describe what...
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Mark Zuckerberg

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  History of Mark Zuckerberg Mark Zukerberg. Mark Zuckerberg is the co-founder and CEO of Facebook , a social media company whose current flagship product is Messenger. He has been named Time Magazine’s Person of the Year three times. The youngest person to be named World’s Best Reseller (2017). In addition to his professional success, he also founded two non-profits under public pressure — Open For Everyone and Fix our broken media (F2P). He created Facebook to provide children in need with technology that can help them in their everyday lives and to connect people through computers. When it became one of the most successful social media companies in the world, its headcount topped 100 employees. A total of 10 million new users joined Facebook over the previous 2 years, as Facebook made more money than any other social media site in the business. In 2017, Facebook was ranked #1 by Fortune magazine. At the end of 2018, it had raised $3 billion, giving it about an 85% market sh...
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