Function Parent

packages/react-dom/src/__tests__/ReactDOMUseId-test.js:961–968

()

  // and sibling counters not the initial one
  it('does not forget it mounted an id when re-rendering in dev', async () => {
    function Parent() {
      const id = useId();
      return (
        <div>
          {id} <Child />
        </div>
      );
    }
    function Child() {
      const id = useId();
      return <div>{id}</div>;