Why doesn’t it output 30 when using global-PHP Chinese website Q&A-Why doesn’t it output 30 when using global-PHP Chinese website Q&A
Take a look around and learn.
建议复制到本地运行下，是可以正常输出的
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Why doesn’t it output 30 when using global-PHP Chinese website Q&A-Why doesn’t it output 30 when using global-PHP Chinese website Q&A
Take a look around and learn.
建议复制到本地运行下，是可以正常输出的