https://developer.mozilla.org/en-US/docs/Web/API/Web_Animations_API
https://developer.mozilla.org/en-US/docs/Web/API/Web_Animations_API/Using_the_Web_Animations_API


2018
CodingTech - Web Animations APIs
https://www.youtube.com/watch?v=AGiTmjFHs8M

2016
https://hacks.mozilla.org/2016/08/animating-like-you-just-dont-care-with-element-animate/

samples
https://web-animations.github.io/web-animations-demos/
https://github.com/web-animations/web-animations-js
https://codepen.io/collection/bpEza/#