How can I make React Portal work with React Hook?

Question

I have this specific need to listen to a custom event in the browser and from there, I have a button that will open a popup window. I\'m currently using React Portal to open

Answer 1

The chosen/popular answer is close, but it needlessly creates unused DOM elements on every render. The useState hook can be supplied a function to make sure the initial value is only created once:

const [containerEl] = useState(() => document.createElement('div'));