The beauty of React and other frameworks is that it separates the concerns of state and UI.
I don't see it as a tool for making a fancy button or widget, I see it as a tool for guaranteeing that what the user sees is always what's actually going on in the logic.
Too many times I've written something like a "clear" button or a "reset" button in jQuery, added an extra field, forgotten to include it in that clear/reset method and now the UI doesn't match the logic, leading to unpredictable and hard to debug results.
I don't see it as a tool for making a fancy button or widget, I see it as a tool for guaranteeing that what the user sees is always what's actually going on in the logic.
Too many times I've written something like a "clear" button or a "reset" button in jQuery, added an extra field, forgotten to include it in that clear/reset method and now the UI doesn't match the logic, leading to unpredictable and hard to debug results.