The button that opens the menu; carries popovertarget so it works pre-hydration.
popovertarget
Readonly
Optional
Used in debugging messages. You might want to set it explicitly if you want to display a different name for debugging purposes.
Legacy React Docs
Ignored by React.
Only kept in types for backwards compatibility. Will be removed in a future major release.
The button that opens the menu; carries
popovertargetso it works pre-hydration.