Sorry if offended too much. intended for just a little because that behavior is awful and must be treated as such. Also if you want to learn how to do it right

Sorry if offended too much. intended for just a little because that behavior is awful and must be treated as such. Also if you want to learn how to do it right, look at Mozilla. They mostly do the right thing. E.g. telling user and in extreme cases making him wait a very short time before accepting something that may be dangerous.