Question

requrl_1 = "http://www.example.com/index.php";
requrl_2 = "http://www.example.com/redirect.php";

when I request “requrl_1“, there is no problem. I’m getting response. “index.php” is not a redirector page.

but requrl_2 is a redirector page, that is redirecting to another website(for example: http://www.cnn.com).

so when I request with XMLHttpRequest, I’m getting exception 101 error.

I must request “redirect.php“, there isn’t another solution.

How can I do that? Why am I getting “exception 101” error.

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I’m coding a Greasemonkey userscript script for google chrome.

Answer 1

It’s best to just install Tampermonkey and use it to run your script. Then you can code with GM_xmlhttpRequest()^Doc — which has cross-domain support. And scripts get enhanced capabilities to match what Greasemonkey can do on Firefox.

If you don’t want to install Tampermonkey, Chrome userscripts now support cross-site requests via GM_xmlhttpRequest().

So, you could use:

GM_xmlhttpRequest ( {
    method:     "GET",
    url:        "http://www.example.com/redirect.php",
    onload:     function (response) {
                    //-- Do your business here.
                }
} );