> 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_reconnect_failed.md).

# 3.3.22 event:reconnect\_failed

在`reconnectionAttempts`（尝试重连）内无法重新连接时触发

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