- From: Ian Hickson <ian@hixie.ch>
- Date: Tue, 13 Oct 2009 23:28:05 +0000 (UTC)
On Tue, 13 Oct 2009, Jeremy Orlow wrote:
> On Tue, Oct 13, 2009 at 3:40 PM, Ian Hickson <ian at hixie.ch> wrote:
> > On Tue, 13 Oct 2009, Brett Cannon wrote:
> > > On Mon, Oct 12, 2009 at 19:07, Ian Hickson <ian at hixie.ch> wrote:
> > > >
> > > > I believe you can test if a key is in the storage area using:
> > > >
> > > > if (key in storage) { ... }
> > > >
> > > > For example:
> > > >
> > > > if ('document' in window.localStorage) { ... }
> > >
> > > I didn't find that in the spec anywhere. Is it somehow implicit and I
> > > just missed it? Or will it be specified sometime in the future?
> >
> > It's the net effect of this line in the spec:
> >
> > # The names of the supported named properties on a Storage object are the
> > # keys of each key/value pair currently present in the list associated
> > # with the object.
> >
> > ...combined with the definitions in the WebIDL spec.
>
> It seems odd that there wouldn't be a corresponding method on
> localStorage given that the deleter, getter, and setter all have them.
Personally I'd rather remove those methods, but I think we're stuck with
them at this point.
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 13 October 2009 16:28:05 UTC