$_GET['act']=="loginout"
When you click to exit, the data of act=>loginout will be passed through the get method. Use the get method to get the value 'loginout' corresponding to act, and then make an if judgment
The description is not clear and cannot be answered
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
When you click to exit, the data of act=>loginout will be passed through the get method. Use the get method to get the value 'loginout' corresponding to act, and then make an if judgment
The description is not clear and cannot be answered