The soft keyboard pop-up header is pushed up
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Set the body height to the height of one screen
This is unavoidable because iOS developers set the webview to move upward as a whole when the keyboard pops up. If it doesn't affect use, then so be it.