> For the complete documentation index, see [llms.txt](https://socket.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://socket.gitbook.io/docs/3-ke-hu-duan-apiclientapi/3.3-socket/event_ping.md).

# 3.3.23 event:ping

在将ping数据包写入服务器时触发。

```javascript
socket.on('ping',()=>{
    // ... 
})
```