- From: Boris Zbarsky <bzbarsky@MIT.EDU>
- Date: Wed, 29 Feb 2012 16:55:14 -0500
- To: James Robinson <jamesr@google.com>
- CC: public-web-perf@w3.org
On 2/29/12 4:52 PM, James Robinson wrote: > Technically speaking using the parameter to track animation progress is > OK, so long as the page isn't trying to compare the parameter to JS > Date.now()s. It's hard to track progress without comparing to "the time I started the animation". And that last is only available via Date.now in most UAs. :( > My reading of the code that Google Maps is using for animations today is > that it's always using the value of Date.now() to update its internal > progress. Good! Well, bad for the actual behavior of the animations, but good for making this backwards-incompatible change. ;) -Boris
Received on Wednesday, 29 February 2012 21:55:43 UTC