No, client-side cookies set by a server are not as easy as it seems because there could be multiple instances of an app in a browser, and there’s no way of knowing in HandleURL if the browser will allow cookies in the first place.
No, client-side cookies set by a server are not as easy as it seems because there could be multiple instances of an app in a browser, and there’s no way of knowing in HandleURL if the browser will allow cookies in the first place.