版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/reconnecting-websocket/1.0.0/reconnecting-websocket.js
- https://cdn.bootcdn.net/ajax/libs/reconnecting-websocket/1.0.0/reconnecting-websocket.min.js
A small JavaScript library that decorates the WebSocket API to provide a WebSocket connection that will automatically reconnect if the connection is dropped.