How to pass state back to parent in React?

Question

I have a form that has a submit button. That form calls a function onclick that sets the state of something from false to true. I then want to pass this state back to the pa

Answer 1

Move handleClick to the parent and pass it to the child component as a prop.

Now in the child component:

This way submitting the form will update the state in parent component directly. This assumes you don't need to access updated state value in child component. If you do, then you can pass the state value back from the parent to the child as a prop. One-way data flow is maintained.