Свойство outerHtml

String? outerHtml

Реализация

@JSName('outerHTML')
String? get outerHtml native;

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.19.6/dart-html/Element/outerHtml.html