See the footnote in the article: "An exception may be if your site provides spec...

		oneeyedpigeon on April 9, 2014 \| parent \| context \| favorite \| on: Don't Hijack Browser Keyboard Shortcuts See the footnote in the article: "An exception may be if your site provides specific functionality such as in a drawing application. Even in this case it is best to provide shortcuts as an option the user has to turn on rather than one that is on by default."