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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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Toc

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

Chapter 4

  1. JavaScript is inherently:
    1. Synchronous
    2. Asynchronous
    3. Both
  2. A fetch() call returns a:
    1. then
    2. next
    3. finally
    4. Promise
  3. With prototypal inheritance, we can (select all options that apply):
    1. Add methods to a base data type.
    2. Subtract methods from a base data type.
    3. Rename our data type.
    4. Cast our data into another format.
let x = !!1
console.log(x)
  1. Given the preceding code, what will be the expected output?
    1. 1
    2. false
    3. 0
    4. true
const Officer = function(name, rank, posting) {
this.name = name
this.rank = rank
this.posting = posting
this.sayHello = () => {
console.log(this.name)
}
}

const Riker = new Officer("Will Riker", "Commander", "U.S.S. Enterprise")
  1. Given this code, what's the best way to output "Will Riker"?
    1. Riker.sayHello() *
    2. console.log(Riker.name)
    3. console.log(Riker.this.name)
    4. Officer.Riker.name()
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