Working with JSON
JavaScript Object Notation (JSON) provides a structured data format for loosely defined data structures. A JSON object is built with other JSON objects, including strings, numbers, other objects, and arrays. Any data is allowed, as long as everything is self-contained and there is no sloppy formatting with missing brackets and braces.
There are a number of ways to test for valid JSON. Visit http://jsonlint.com, where you can copy and paste your JSON and submit it for validation. It will point out missing or broken formatting issues, as well as how to resolve them.
As you read through the examples in this book you'll see that JSON isn't always formatted in the same way, especially with JSON object key fields (or property names). ...
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