注释有什么用呢？感觉有了和没有一样啊！
What are comments used for? It feels the same as having it and not having it! -PHP Chinese website Q&A-What are the uses of comments? It feels the same as having it and not having it! -PHP Chinese website Q&A
Please watch and learn.
注释的作用是便于理解代码！
比如一个大的项目，如果全是代码，没有一个注释很难理解功能。但是有了注释就不一样了，你可以很快理解这个代码是干什么的！
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What are comments used for? It feels the same as having it and not having it! -PHP Chinese website Q&A-What are the uses of comments? It feels the same as having it and not having it! -PHP Chinese website Q&A
Please watch and learn.
注释的作用是便于理解代码！
比如一个大的项目，如果全是代码，没有一个注释很难理解功能。但是有了注释就不一样了，你可以很快理解这个代码是干什么的！