Argument passed to the callback when a request finishes successfully or erroneously.
NOTE This is an abstract type. Any object meeting this description can be used where this type is used.
Error code, if any returned.
Error code, if any returned.
May be undefined if success
is true
.
Error message, if any returned.
Error message, if any returned.
May be undefined if success
is true
.
Indicates whether the request succeeded.
Indicates whether the request succeeded.
Returns true
if request succeeded.