Asynchronous verification login class refreshed when I submitted it, resulting in no prompt for successful submission
Just change the button properties
The backend has echo output according to the teacher’s video interface. You first determine whether to enter the if conditional statement, and then check whether it is output on the frontend
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Just change the button properties
The backend has echo output according to the teacher’s video interface. You first determine whether to enter the if conditional statement, and then check whether it is output on the frontend