12.1. Understanding the underlying technology
To begin using the tools in this chapter, it’s useful to understand the foundations of the underlying protocols, formats, and browser APIs we’ll be using. Specifically, we’re talking about Hypertext Transport Protocol (HTTP), JavaScript Object Notation (JSON), JSON with Padding (JSONP), and the XMLHttpRequest JavaScript object. If you’re already familiar with these, you can safely skip this section without missing any important details.
Understanding the inner workings of these will aid in troubleshooting, and the rest of this chapter assumes knowledge of these topics. We begin with the most basic of these protocols, the Hypertext Transport Protocol.
12.1.1. Understanding how HTTP works
The Hypertext ...
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