@SupportedBrowser(SupportedBrowser.CHROME) @SupportedBrowser(SupportedBrowser.FIREFOX) @SupportedBrowser(SupportedBrowser.IE, '10') String get visibilityState => JS( 'String', '(#.visibilityState || #.mozVisibilityState || #.msVisibilityState ||' '#.webkitVisibilityState)', this, this, this, this);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/Document/visibilityState.html