loopyJS requestAnimationFrame的polyfill和包装器，为动画和计时循环提供通用功能

NPM: $ npm install loopyjs

构建

确保你安装了grunt-cli：$ npm install

$ grunt build

用法

循环一段代码，1000ms后取消循环

var animation = loopy( function ( deltaTime , timeElapsed ) {

//deltaTime: time since last loop

//timeElapsed: time since looping started

if (timeElapsed >= 1000) {

    animation.cancel();

}

//your loop code here

});