Why does a cross-domain angularjs $http.post request fail when a XMLHttpRequest succeeds?

Question

I am trying to exercise the Trello API with an application key and token from an angular (version 1.0.5) webapp. The server seems correctly configured to handle CORS. A test req

Answer 1

To avoid this issue, create a function in the server side to catch the 'OPTIONS' and just return true. Some thing as follows.

    /**
     * @url OPTIONS /
     */
    public function options()
    {
        return;
    }