Свойство origin

String origin

Реализация

String get origin {
  if (JS('bool', '("origin" in #)', this)) {
    return JS('String', '#.origin', this);
  }
  return '${this.protocol}//${this.host}';
}

© 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/Location/origin.html