Access-Control-Allow-Origin headers in GAS

Question

I am sending an (HTTP GET) $.ajax request (from jsfiddle) to my Google Apps Script server and I get the following error:

XMLHttpRequest cannot load https://script.google.com/macros/s/mykey?params.

Origin http://fiddle.jshell.net is not allowed by Access-Control-Allow-Origin.

What is the best way to solve this problem?

I have successfully implemented jsonp $.ajax requests to retrieve json data and javascript using this GAS/jsfiddle configuration. However, I seem unable to accomplish this jsonp success this time. Possibly because I am going through an .updaterow() function (per jqWidgets?)

My research:

This post almost asks a similar question except it is not specific to GAS.
I do not think GAS allows one to set server-side response headers. But surely there must be a way to get my request to execute?
Perhaps this question explains it better? (GAS issue) Is there a workaround solution? (Come on creative people.)

if you can't set the server-side response headers, then it isn't possible to get said data other than with jsonp or a proxy. — Kevin B, Sep 05 '13 at 20:28
When I try jsonp, I get an error that just says, Status: cancelled. and Type: pending. I have no idea what that means or why I get it. (Per chrome developer tools.) — Let Me Tink About It, Sep 05 '13 at 21:24
http://stackoverflow.com/questions/11481222/how-do-i-make-xhr-ajax-requests-against-google-apps-script-contentservice-work — Let Me Tink About It, Sep 05 '13 at 21:54

score 2 · Accepted Answer · answered Sep 07 '13 at 10:00

2

GAS does not allow CORS headers at this time.

answered Sep 07 '13 at 10:00

Let Me Tink About It

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Access-Control-Allow-Origin headers in GAS

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