版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/jquery-tiny-pubsub/0.7.0/ba-tiny-pubsub.js
- https://cdn.bootcdn.net/ajax/libs/jquery-tiny-pubsub/0.7.0/ba-tiny-pubsub.min.js
A really, really, REALLY tiny pub/sub implementation for jQuery.