AJAX cross domain call

Question

I know about AJAX cross-domain policy. So I can\'t just call \"http://www.google.com\" over a ajax HTTP request and display the results somewhere on my site.

I tried

Answer 1

You will need to dynamically insert a script tag into the page that references the data. Using JSONP, you can execute some callback function when the script has loaded.

The wikipedia page on JSONP has a concise example; the script tag:

would return the JSON data wrapped in a call to parseResponse:

parseResponse({"Name": "Cheeso", "Rank": 7})

(depending on the configuration of the getjson script on domain1.com)

The code to insert the tag dynamically would be something like:

var s = document.createElement("script");
s.src = "http://domain1.com/getjson?jsonp=parseResponse";
s.type = "text/javascript";
document.appendChild(s);