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The JavaScript Workshop

You're reading from   The JavaScript Workshop Learn to develop interactive web applications with clean and maintainable JavaScript code

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838641917
Length 802 pages
Edition 1st Edition
Languages
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Authors (8):
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Jahred Love Jahred Love
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Jahred Love
Alonzo L. Hosford Alonzo L. Hosford
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Alonzo L. Hosford
Florian Sloot Florian Sloot
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Florian Sloot
Daniel Rosenbaum Daniel Rosenbaum
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Daniel Rosenbaum
Philip Kirkbride Philip Kirkbride
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Philip Kirkbride
Nick Turner Nick Turner
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Nick Turner
Gaurav Mehla Gaurav Mehla
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Gaurav Mehla
Joseph Labrecque Joseph Labrecque
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Joseph Labrecque
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Toc

Table of Contents (17) Chapters Close

Preface 1. Getting to Know JavaScript FREE CHAPTER 2. Working with JavaScript 3. Programming Fundamentals 4. JavaScript Libraries and Frameworks 5. Beyond the Fundamentals 6. Understanding Core Concepts 7. Popping the Hood 8. Browser APIs 9. Working with Node.js 10. Accessing External Resources 11. Creating Clean and Maintainable Code 12. Using NextGeneration JavaScript 13. JavaScript Programming Paradigms 14. Understanding Functional Programming 15. Asynchronous Tasks Appendix

Blackjack

For the remainder of this chapter, we will be using what we've learned about functional programming to write an implementation of a simple variant of the card game Blackjack.

Unlike regular Blackjack, though, our game only has one player. The player can draw as many cards as they want (hit), as long as the total value does not exceed 21.

The total is the sum of the values of the cards in the player's hand. Cards have the following values:

  • Numeric cards have their face value (for example, a 6 of hearts has a value of 6)
  • A Jack, Queen, or King has a value of 10
  • For simplicity, the Ace is worth 1 (unlike regular Blackjack, where it has a value of either 1 or 11)

If the total value exceeds 21, the hand has gone bust and the game is over.

Mapping Card Values to Cards

The two previous exercises will be very useful in the final assignment, where you'll be implementing a Blackjack game. Feel free to use those code snippets directly...

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