版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/jquery.finger/0.1.6/jquery.finger.js
- https://cdn.bootcdn.net/ajax/libs/jquery.finger/0.1.6/jquery.finger.min.js
jQuery Finger unifies click and touch events by removing the 300ms delay on touch devices. It also provide a common set of events to handle basic gestures such as drag and pinch. Small (< 1kb gzipped), it is focused on performance, is well tested and ... also supports jQuery delegated events.