React for Poets

Transcript

1. React for Poets

2. • What React it is • Why we like it

   • What React isn't

3. What is React?

4. React is a JavaScript library for building user interfaces.

5. "How should the user interface be built, and how should

   it update?"

6. It forces a developer to break up their user interface

   into small components.

7. <Blogs/> <Navigation/> <Posts/> <Post/> <Post/> <Post/> <Post/>

8. Compo(sition,nents) "React is all about building reusable components. In fact,

   with React the only thing you do is build components." - facebook.github.io/react
9. None

10. Component Tree

11. Build a component tree Compare to old data Determine fastest

    update method Update page Data

12. State changed! So what...

13. Define Interface Change Data • Each change updates the user

    interface • Data only goes in one direction (down)

14. Why I like React

15. Trouble in Paradise

16. • Web applications • Pages with frequent UI updates •

    Things the browser can't do on its own JS apps are great for:

17. • Page load times • Handling critical errors • Mobile

    performance Challenges with JS Apps:
18. None

19. Why I like React

20. Server side rendering

21. None

22. • Responsive page loads • More strategies for handling failure

    (not just blank screens) With server side rendering:
23. None
24. None

25. Page Load Boot App Server

26. Mobile performance

27. • Designed for low memory devices • Hyper efficient page

    updates • Stress tested on millions of devices on sites such as facebook.com, airbnb.com, and bbc.com

28. It's not the right tool for everything

29. • Sites with only few interactions • Simple content oriented

    sites • Handoff projects where the maintainer is not familiar with JavaScript development • Server-side rendering requires NodeJS expertise React is not ideal for:

30. React is exciting

31. Break down UI into components

32. Addresses a lot of JS issues

33. None

34. Thanks! Nate Hunzaker @natehunzaker