Please take a look, how to implement this function, that is, the value behind the ID is different every time you enter the page!
I don’t quite understand what you mean, which ID? Can you circle it?
Please take a look, how to implement this function, that is, the value behind the ID is different every time you enter the page! 
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I don’t quite understand what you mean, which ID? Can you circle it?