Use the whirl.css plug-in to create the Loading page, and a transition animation will appear Expected effect:
Actual situation:
Because there is a transition animation in the plug-in, there will be a gradient process when adding the Loading effect dynamically
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Because there is a transition animation in the plug-in, there will be a gradient process when adding the Loading effect dynamically