Context adds dependency between the consumer and provider.
const Context = createContext(0);const A = ({ children }) => {const [state, setState] = useState(0);console.log("A");useEffect(() => {setState((state) => state + 1);}, []);return <Context.Provider value={state}>{children}</Context.Provider>;};function B({ children }) {const count = useContext(Context);console.log("B");return children;}function C() {console.log("C");return null;}function D() {console.log("D");return null;}function App() {console.log("App");return (<A><B><C /></B><D /></A>);}const root = createRoot(document.getElementById("root"));root.render(<App />);
const Context = createContext(0);const A = ({ children }) => {const [state, setState] = useState(0);console.log("A");useEffect(() => {setState((state) => state + 1);}, []);return <Context.Provider value={state}>{children}</Context.Provider>;};function B({ children }) {const count = useContext(Context);console.log("B");return children;}function C() {console.log("C");return null;}function D() {console.log("D");return null;}function App() {console.log("App");return (<A><B><C /></B><D /></A>);}const root = createRoot(document.getElementById("root"));root.render(<App />);
click on the console.log lines to input your answer.