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Comment by PaulHoule

3 days ago

"Look how quickly it can render the component 50 times!"

"Look, it can render the whole app really quickly every time the user presses a key!"

  • That gets into a very interesting question of controlled vs. uncontrolled components.

    On one hand I like controlled components because there is a single source of truth for the data (a useState()) somewhere in the app, but you are forced to re-render for each keypress. With uncontrolled components on the other hand, there's the possible anarchy of having state in React and in the actual form.

    I really like this library

    https://react-hook-form.com/

    which has a rational answer to the problems that turn up with uncontrolled forms.