HammerJS是一个优秀的、轻量级的触屏设备手势库，现在已经更新到2.04版本，跟1.0版本有点天壤地别了，毕竟改写了事件名并新增了许多方法，允许同时监听多个手势、自定义识别器，也可以识别滑动方向。(HammerJS is an excellent and lightweight touch-screen device gesture library, has now been updated to version 2.04, with version 1 is Tianrang to do, after all, to rewrite the event name and add a number of methods, allowing simultaneously monitor multiple gesture recognizer, custom, you can also identify the sliding direction.)