Says why a value may not be held as a CORS origin, or null if it may.
Refused: a wildcard, null, a path, query, fragment or user name, and anything that is not scheme://host[:port].
null
the candidate origin
the reason, or null
Says why a value may not be held as a CORS origin, or null if it may.
Refused: a wildcard,
null, a path, query, fragment or user name, and anything that is not scheme://host[:port].