I don't have much experience with this, but I need to know our options for advertising on Facebook.
If your ad is running in an app, there's a lot you can do.
If it's running on your FB page, there's no HTML5, just static images, videos, animated GIF, and a richer templated thing called FB "Canvas". I keep links here for my own reference —
Thursday, April 20, 2017
Thursday, April 13, 2017
Wednesday, April 12, 2017
Tuesday, April 11, 2017
Tuesday, March 21, 2017
Friday, March 17, 2017
basically back to animating out of the Flash IDE for most projects.