- From: Dean Jackson <dino@apple.com>
- Date: Tue, 11 Sep 2012 09:14:52 -0700
- To: Robin Berjon <robin@w3.org>
- Cc: public-html@w3.org
On Sep 11, 2012, at 1:40 AM, Robin Berjon <robin@w3.org> wrote: > On 10/09/2012 20:11 , Dean Jackson wrote: >> I propose adding a new method to HTMLCanvasElement: >> >> interface HTMLCanvasElement : HTMLElement { >> boolean supportsContext(DOMString contextId, any... arguments); >> }; >> >> supportsContext takes the same parameters as getContext, and simply returns >> true if the corresponding call to getContext would have returned a valid >> context, false otherwise. > > I like it. My only concern is about why this would work when hasFeature() failed so miserably. I guess that it covers a sufficiently limited set that it will be done right. There has been some discussion on the whatwg list (where I copied my email). Some positive, some negative. Dean
Received on Tuesday, 11 September 2012 16:15:20 UTC