From: whatwg [mailto:whatwg-boun...@lists.whatwg.org] On Behalf Of Robert O'Callahan
> According to the spec it should work, but it's very low priority for us and > implementing it would be very inefficient as Yay295 describes. So I don't > think it's going to happen in Firefox in the forseeable future. I was looking in to this yesterday and it seems like the spec places absolute no limits on playbackRate. Am I right? This seems a bit bad. If nobody is supporting negative nor has any plans to, we should at least consider throwing for negative. I guess we can leave the upper limit unspecified, unless implementations all happen to agree on one.