visibilityState property
Implementation
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@SupportedBrowser(SupportedBrowser.IE, '10')
String get visibilityState => JS(
'String',
'(#.visibilityState || #.mozVisibilityState || #.msVisibilityState ||'
'#.webkitVisibilityState)',
this,
this,
this,
this);