Implement createPortal not work as expect

[doxiaodong]

Which cause antd-mobile picker broken.

[marvinhagemeister]

Please post more information besides just "doesn't work". What exactly is the issue you are experiencing? Do you get an error message in the console? Do you have a snippet or an excerpt of your code which reproduces the issue?

[doxiaodong]

Sorry.

1. without createPortal implement https://img.tristana.cc/tmp/before.mov
2. with createPortal implement https://img.tristana.cc/tmp/after.mov

you can clone https://github.com/ant-design/ant-design-mobile and then

1. change preact-compat to 3.18.2
2. npm install
3. npm start
4. open http://localhost:8002/components/picker