I don't know how to request an refresh token with Javascript for Google APIs.
I've tried these: https://developers.google.com/accounts/docs/OAuth2WebServer#offline
But I don't know how to get the response.
I don't know how to request an refresh token with Javascript for Google APIs.
I've tried these: https://developers.google.com/accounts/docs/OAuth2WebServer#offline
But I don't know how to get the response.