Свойство lastModifiedDate

DateTime lastModifiedDate

Источник

@DomName('File.lastModifiedDate')
@DocsEditable()
DateTime get lastModifiedDate =>
    _blink.BlinkFile.instance.lastModifiedDate_Getter_(this);

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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-html/File/lastModifiedDate.html