Implementing JSONP

We are using the same URL as before to fetch the data, but we have added the jsonp parameter and are setting it to getRedditData; it is important to note that the feed is now padded into our callback getRedditData. Now let's replace the URL property in our earlier script to create a new script that will fetch us the JSON feed.

A few properties such as url and dataType have been modified and a few new properties such as contentType and jsonpCallback have been added. We have already discussed the change in the url property, so let us look at the other properties.

Earlier, the dataType property was set to json as the incoming feed was of type json, but now the JSON feed is being padded into a callback, and it has to be switched so that the browser expects a callback rather than JSON itself. The new properties that have been added are contentType and jsonpCallback; the property contentType specifies the type of content being sent to the web server. jsonpCallback takes the name...