Tweeny
A teeny tween class!
npm install --save tweeny
Usage
var Tween = var easeInOutQuart = var target = document var tween = from: opacity: 0 to: opacity: 1 duration: 1000 easing: easeInOutQuart { targetstyleopacity = stateopacity } { }
For < IE 10 support, you'll need to requestAnimationFrame
polyfill.
Easing functions by Robert Penner.