JS 动画慢的真正的原因只有一个：JS 动画跑在 main thread 上，跟应用里的所有其他 JS 抢 CPU。 做前端动画的，几乎都听过这句话："CSS 动画比 JavaScript 快，能用 CSS 就别用 JS。" 但很少有人追问：为什么快 ...

First, thanks for the ponyfill! We appreciate the effort put into this and has given us some hope of using modern CSS features in older browsers. We are attempting to use this for a CSS keyframe ...

I ran this by Tsvetan Raikov and we think this is an issue that needs fixing: In an app scaffolded as per normal in the cli (`tns create myNNGapp --ng) I am attempting to animate cards using keyframe ...