Is there any detailed explanation of the communication between angular2 subcomponent and parent component @Output
http://www.cnblogs.com/Answer... Doesn’t this count~
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
http://www.cnblogs.com/Answer... Doesn’t this count~