Response to preflight request doesn't pass access control check: no 'access-control-allow-origin' header is present on the requested resource

function GetTokenfromGrap(resource, obj, failureCallback) {
    debugger;
    var deffered = $q.defer();
    var url = baseUrl +resource;
    var configurations = {
            headers: {
            'Content-Type': 'application/x-www-form-urlencoded'
    }
}

    $http.post(resource, obj, configurations).then(deffered.resolve).catch(function (data) {
        handleCatch(data);
        if (typeof failureCallback === 'function') failureCallback(data);
});
    return deffered.promise;
}

Quote:

:4200/welcome:1 Failed to load https://login.microsoft.com/xxxxx.com/oauth2/token: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:4200' is therefore not allowed access.