Nick Schot from Simplabs with a solid primer to get you started with the Web Animations API

The Web Animations API is a relatively new addition to the browser and is still very much in development. It promises to combine the benefits of CSS Transitions/Animations and JavaScript based animations.

All popular browsers have now implemented the minimum features necessary to do complex animations and a polyfill which adds support for the Web Animations API to older browsers is available. It’s time we tried it out!