Just like the picture in the upper left corner of the homeless starry sky, there are serial numbers 1, 2, 3, 4, and 5 in a box, which will automatically switch. Not only switching, but also choosing which one. Maybe this question is too idiotic. Sorry.. Please forgive me because I really don’t understand
The original poster is the effect of the focus image, take a look here
http://www.lanrentuku.com/js/jiaodiantu.html
Upstairs, are you still there?
This is a good website, thank you! It would be better if there is ready-made code!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
