CHAPTER 16 Conforming to Interfaces in an Interface-Free Language
WHAT’S IN THIS CHAPTER?
- Understanding the benefits of interfaces in other languages
- Gaining the benefits of interfaces in JavaScript
- Simplifying consumption of an object with the Interface Segregation Principle
- Producing a registry in which you can define and enforce interfaces
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code downloads for this chapter are found at www.wrox.com/go/reliablejavascript on the Download Code tab. The files are in the Chapter 16 download and individually named according to the filenames noted throughout this chapter.
In a 2014 commercial for Google’s business products (https://www.youtube.com/watch?v=bA0Hmhnl1oE), a videoconference is just finishing:
- GOOGLER: So yeah, I think we’re good. I think that about wraps it up. So ...
- WOMAN #1: Great. I’ll send a follow-up email.
- GOOGLER: I don’t ... There’s nothing much to follow up on so I ...
- WOMAN #2: Well, I think we should regroup.
- GOOGLER: We just regrouped. This is the regrouping.
- MAN #1: Cool. I’ll ping you later.
- GOOGLER: You’re pinging me now. What do you want to ping about?
- MAN #2: Next steps?
- GOOGLER: There are no next steps. We just solved them.
- MAN #3: Huh. All right ...
A conversation between a JavaScript programmer and a C# or Java programmer could go much the same way. The JavaScripter throws some objects together and the C# or Java developer keeps insisting, “You can’t do that! The program will fall ...
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