[whatwg] Link.onload; defer on style, depends
ian at hixie.ch
Wed Apr 29 17:09:43 PDT 2009
On Thu, 30 Apr 2009, Sean Hogan wrote:
> > > > >
> > > > > At least in Gecko, you can already detect whether the sheet is done
> > > > > loading: if you try to get its cssRules and that throws
> > > > > INVALID_ACCESS_ERR, then it's still loading. (If it throws
> > > > > DOM_SECURITY_ERR then you're not allowed to read the style data;
> > > > > that's why you have to check for the exact type of exception thrown.
> > > > > Though really, if you're loading style sheets cross-site you're in for
> > > > > a world of hurt unless you control both sites.)
> > > >
> > > > I haven't added readyState at this time. I am concerned about feature
> > > > creep here.
> > >
> > > As for link.onload, link.readyState is implemented in IE since IE6. Same
> > > values as document.readyState, etc.
> > Sure, but we only need one way to do this.
> How do I check if the resource is already loaded? In a cross-browser,
> cross-site manner?
Put an onload handler on the element before it loads and make it set a
flag you can check later.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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