TweenLite动画引擎分享，原生JS简单版，关于JS动画，一般我们处理的方式就是临时写一个 setTimeout来触发 要么就是基于框架来实现比如JQ的animate Mootools的Fx.Tween 基本是这些，但是用过AS的TweenLite 就知道它无比的习惯和方便，以最近研究了下 并封装成“类” 方便调用。-Share TweenLite animation engine, native JS simple version, on JS animation, the way we deal with is usually temporary write a setTimeout to trigger or is based framework to achieve such JQ of animate Mootools of Fx.Tween basically these, but used the AS TweenLite know it very habit and convenience, with recently studied under and packaged into　classes　easy call.