a method
Allows to create a custom HTML attribute, for example, if you can't find the desired one.
Implementation
WidgetElement a(String name, dynamic value, {bool? removeIf}) {
if (removeIf != true && node.attrs != null) {
VirtualAttr attr = VirtualAttr(name, value.toString());
node.attrs!.add(attr);
}
return this;
}