this.http
.get<ItemsResponse>('https://api.github.com/users/ab')
.subscribe(
data => console.log(data),
(err: HttpErrorResponse) => {
if (err instanceof Error) {
console.log("regular error");
console.log(err);
}
else {
console.log("http error");
console.log(`Status:${err.status}`);
console.log(`Message:${err.message}`);
}
}
);