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Introduction to React
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- 2. Brief History ofReact 2011: Created internally at FB. 2012: Instagram acquired by FB. Begins re-write of their front-end. 2013: Open sourced at JSConf.
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- 7. Data flows inone direction.
- 8. How everyone elsedoes it… • Model View Controller (MVC) • Model View ViewModel (MVVM) • Model View *Something*
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- 11. How React DoesIt 1. On every update, React builds a new Virtual DOM representation of your application.
- 12. How React DoesIt 2. It then compares the new representation against the previous one, and determines what has changed.
- 13. How React DoesIt 3. It decides what individual change to the DOM are required to reflect this new state. Each change is placed in a queue.
- 14. How React DoesIt 4. Finally, it batch updates the DOM based on the changes in the queue.
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- 21. What else dowe get by being decoupled from the DOM?
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- 24. Could we targetsomething besides the DOM?
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- 28. What React Isn’t •Library, not a framework • Doesn’t tell you how to fetch data. • Doesn’t tell you how to push state changes back to the server. • Doesn’t help you route from a url to a specific component • Doesn’t provide you tooling for packaging or deploying your application.
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