- From: Simon Pieters <simonp@opera.com>
- Date: Wed, 18 Dec 2013 12:03:18 +0100
- To: public-webapps@w3.org, "Boris Zbarsky" <bzbarsky@mit.edu>
On Wed, 18 Dec 2013 11:58:07 +0100, Simon Pieters <simonp@opera.com> wrote: > On Tue, 17 Dec 2013 17:06:57 +0100, Boris Zbarsky <bzbarsky@mit.edu> > wrote: > >> On 12/17/13 3:29 AM, Jonas Sicking wrote: >>> This is a good point. Would this have performance implications for >>> down-level browsers? I don't know if prescanners etc in contemporary >>> browsers are smart enough to ignore <script> tags that use a non-JS >>> type attribute. >> >> Gecko's is not. Not least because as far as I can tell scripts with >> unknown type are in fact always loaded, > > In my testing this appears to not be the case. > > http://software.hixie.ch/utilities/js/live-dom-viewer/saved/2697 > > This gives nothing in the Network tab in Firefox or in my TCP inspector. > > I think this is the same as what the spec requires and what at least > WebKit/Blink/Presto also do. Sorry, not Presto. > See step 7 in > http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#prepare-a-script > (the fetch happen in step 14). > > > But it seems you are correct about the behavior of the speculative > parser in Gecko: > > http://software.hixie.ch/utilities/js/live-dom-viewer/saved/2698 Same in WebKit/Blink. -- Simon Pieters Opera Software
Received on Wednesday, 18 December 2013 11:03:48 UTC