The Web Animations API lets us construct animations and control their playback with JavaScript.
Demo : https://animations.now.sh
Npm package : https://www.npmjs.com/package/animations.js
Animations : https://github.com/robertoentringer/animations.js
Web Animations API - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/Web_Animations_API/Using_the_Web_Animations_API
Rachel Nabors - Web Animations API resources
http://rachelnabors.com/waapi
Css tricks - CSS Animations vs Web Animations API
https://css-tricks.com/css-animations-vs-web-animations-api/
Daniel C. Wilson - Tutorial series on the Web Animations API
https://danielcwilson.com/tags/web-animations-api/
Animate.css by Daniel Eden
http://daneden.github.io/animate.css