Getjson And Invalid Label

I am trying to get json data from a url. Url is working ok in FF. I am trying code like this $.getJSON('http://testsite.com/1234/?callback=?', function(data){ //here i a

Solution 1:

It looks like the site you're fetching from doesn't support JSONP, with this URL:

http://testsite.com/1234/?callback=?

It's trying to use JSONP, but the server is returning a plain JSON response (not wrapped in a function).

With this URL:

http://testsite.com/1234/

It's not trying JSONP at all, and being blocked by the same-origin policy.

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To fetch data from a remote domain, it needs to support JSONP so it can be grabbed with a GET request, so you'll need to either add support to that domain, or proxy the request through your own.