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Hands-on JavaScript for Python Developers

You're reading from   Hands-on JavaScript for Python Developers Leverage your Python knowledge to quickly learn JavaScript and advance your web development career

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Product type Paperback
Published in Sep 2020
Publisher Packt
ISBN-13 9781838648121
Length 410 pages
Edition 1st Edition
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Author (1):
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Sonyl Nagale Sonyl Nagale
Author Profile Icon Sonyl Nagale
Sonyl Nagale
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Table of Contents (26) Chapters Close

Preface 1. Section 1 - What is JavaScript? What is it not?
2. The Entrance of JavaScript into Mainstream Programming FREE CHAPTER 3. Can We Use JavaScript Server-Side? Sure! 4. Nitty-Gritty Grammar 5. Data and Your Friend, JSON 6. Section 2 - Using JavaScript on the Front-End
7. Hello World! and Beyond: Your First Application 8. The Document Object Model (DOM) 9. Events, Event-Driven Design, and APIs 10. Working with Frameworks and Libraries 11. Deciphering Error Messages and Performance Leaks 12. JavaScript, Ruler of the Frontend 13. Section 3 - The Back-End: Node.js vs. Python
14. What Is Node.js? 15. Node.js versus Python 16. Using Express 17. React with Django 18. Combining Node.js with the Frontend 19. Enter Webpack 20. Section 4 - Communicating with Databases
21. Security and Keys 22. Node.js and MongoDB 23. Putting It All Together 24. Assessments 25. Other Books You May Enjoy

Controllers and data: Using APIs in Express

As you may have heard around the web, Express is great because it's not very opinionated on how you use it, and at the same time, people say that Express is hard to work with because it's not opinionated enough! While Express isn't typically set up as a traditional Model-View-Controller setup, it can be beneficial to split functionality out of your routes and into separate controllers, especially if you may end up having similar functionality between routes and want to keep your code DRY.

If you're not very familiar with the Model-View-Controller (MVC) paradigm, don't worry—we won't go into it in too much detail, as it's a very weighty topic, complete with its own debates and conventions. For now, we'll just define a few terms:

  • A Model is a part of the application that deals with data manipulation, especially communication to and from a database.
  • A Controller deals with logic from routes (that...
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