Свойство lastModified

int lastModified

Источник

@DomName('File.lastModified')
@DocsEditable()
@Experimental() // untriaged
int get lastModified => _blink.BlinkFile.instance.lastModified_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/lastModified.html