Chapter 5. Cross-domain Asynchronous Requests

In the previous chapter, we used jQuery's getJSON method to ingest the students JSON feed; in this chapter we will take a step forward and send request parameters over to the server. Data feeds are often large amounts of data that are made available; the data that is part of such feeds is normally generic and can be considered too heavy for a targeted search. For example, in the students JSON feed, we are exposing the whole list of student information that is available. For a data vendor who is looking for students who are enrolled in certain courses or who reside in a given ZIP code to hire them as interns, this feed is going to be generic. It is common to see development teams build Application Programming Interfaces or APIs to give such data vendors numerous ways to target their search. This is a win-win situation for both the data vendor and for the company that owns the information since the data vendor only gets the information that they...