On Wed, Dec 9, 2009 at 3:18 PM, Boris Zbarsky <[email protected]> wrote:
> On 12/9/09 3:06 PM, James Robinson wrote: > >> On Wed, Dec 9, 2009 at 2:10 PM, James Robinson <[email protected] >> <mailto:[email protected]>> wrote: >> >>> WebKit does not suspend script execution on requests for visual >>> information if stylesheets have not loaded >>> >> > In theory, this is unobservable to the page unless it queries the loaded >> stylesheets >> directly or a property derived from layout both of which should suspend >> script execution. >> > > I'm having a hard time reconciling the above two claims. > Hence the "in theory". If WebKit did suspend script execution on requests for information that pending stylesheets might influence, then theory would match practice. It currently does not (which I believe is contrary to what the spec says). I'm curious if this actually negatively impacts anyone in the wild, as suspending script execution in the middle of a block to wait for a network load is generally not ideal. - James > -Boris >
