No comments so far on this issue so I'll describe it a bit more. Consequences of the current text are that resource fetches are canceled for a document when navigating away from it, even if the user then chooses to cancel the navigation at a "beforeunload" prompt and returns to the document.
Best regards Mike Wilson Mike Wilson wrote on December 26, 2010: > http://www.whatwg.org/specs/web-apps/current-work/#navigating- > across-documents > (as of December 26, 2010) > | When a browsing context is navigated to a new resource, the > | user agent must run the following steps: > ... > | 9. Abort the active document of the browsing context. > ... > | 11. Prompt to unload the Document object. If the user refused > | to allow the document to be unloaded, then these steps > | must be aborted. > > Might this be a bug? (It seems more consistent with other > parts of the html5 spec, and with browsers, to do the abort > after the user has allowed the document to unload.) > > Best regards > Mike Wilson