March 2015
Beginner
768 pages
18h 32m
English
Content preview from Beginning JavaScript, 5th Edition
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12JSON
WHAT YOU WILL LEARN IN THIS CHAPTER:
- Discovering the limitations of using XML with JavaScript
- Recognizing the differences between JavaScript and JSON
- Serializing objects using the built-in JSON object
- Parsing JSON back into actual objects and values you can use in your pages
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
You can find the wrox.com code downloads for this chapter at http://www.wiley.com/go/BeginningJavaScript5E on the Download Code tab. You can also view all of the examples and related files at http://beginningjs.com.
If you aren’t already, start thinking of a web page as a program. It does, after all, have all the trappings of a traditional program. It has a user interface, and it can process data with JavaScript. But as you well know, traditional programs can do more; they can store data as well as transmit data to other computers and systems. In the coming chapters, you learn that you can do the same things in a web page—all thanks to JavaScript.
But as you soon learn, you can’t just store objects and arrays as they are; instead, you need to serialize them. Serialization is the process of translating an object into a string representation of that object. Once an object is serialized, the string representation of that object can then be stored in a more permanent storage facility or transmitted to another computer.
Serialization translates only the structure and pertinent information of an object—that is, only the properties are present in ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.