koa.js 怎么 listen 到指定的 ip ？
业精于勤，荒于嬉;行成于思，毁于随。
The API for nodejs to listen to the specified IP and port is .listen(port, hostname[, callback])
The same is true for koaljs~~
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The API for nodejs to listen to the specified IP and port is
.listen(port, hostname[, callback])
The same is true for koaljs~~