> From: Boris Zbarsky [mailto:bzbar...@mit.edu] > > On 9/28/12 4:28 AM, Cameron McCormack wrote: > > 1. Should we make it so that if you implement one or more partial > > interfaces but not the actual one, then an empty actual interface is > > implied? > > That's fine by me. > > > 2. Is it really important to avoid a prototype from existing on URL in > > this case? I think I'd rather just leave it exist. > > I think the idea is to allow object-detection of whether the URL spec is > supported.
It seems more important to check for the features of the spec, rather than spec support in general. I would expect if (URL.createObjectURL) for example. I also think .prototype removal need not be a special case for this circumstance.