метод error
- Object? arg
Реализация
void error(Object? arg) =>
_isConsoleDefined ? JS('void', 'window.console.error(#)', arg) : null;
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/Console/error.html
