getElementHREF function
Returns href
value for different Element types.
Implementation
String? getElementHREF(Element element) {
if (element.isA<HTMLLinkElement>()) return (element as HTMLLinkElement).href;
if (element.isA<HTMLAnchorElement>()) {
return (element as HTMLAnchorElement).href;
}
if (element.isA<HTMLBaseElement>()) return (element as HTMLBaseElement).href;
if (element.isA<HTMLAreaElement>()) return (element as HTMLAreaElement).href;
return null;
}