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]);