optgroup function
Implementation
Node optgroup({
bool? disabled,
String? label,
String? id,
className,
style,
Map<String, dynamic> p = const {},
Iterable<Node> c = const [],
}) => h(
'optgroup',
_apply(
[p],
{
'disabled': disabled,
'label': label,
'id': id,
'class': className,
'style': style,
},
),
[...c],
);