What is the purpose of the useEffect() hook in React functional components?(2 Points)To define custom hooks for reusable logicTo handle asynchronous operations within a componentTo perform side effects in functional componentsTo specify the dependencies of a component

What does the useEffect hook do without a dependency array?

What is the purpose of the second argument in the useEffect Hook?ATo specify the initial state of the componentBTo specify the dependencies of the effectCTo specify the effects of the componentDTo specify the props of the component

What is the syntax for the useEffect() hook in React, when you want to run a function inside the useEffect only when the app loads?AuseEffect(() => {}, []);BuseEffect(() => {}, [stateVariable]);CuseEffect(() => {});DAll of the above

Which of the following is an example of using the useEffect() hook to build a loader in a React component?AuseEffect(() => { setLoading(true); fetch('https://example.com/data')   .then(res => res.json())   .then(data => {     setData(data);     setLoading(false);   });}, []);BuseEffect(() => { setIsLoading(true); fetch('https://example.com/data')   .then(res => res.json())   .then(data => {     setData(data);     setIsLoading(false);   });}, []);CuseEffect(() => { setIsLoaded(false); fetch('https://example.com/data')   .then(res => res.json())   .then(data => {     setData(data);     setIsLoaded(true);   });}, []);DuseEffect(() => { setLoading(true); fetch('https://example.com/data')   .then(res => res.json())   .then(data => {     setData(data);     setLoading(false);   });}, [data]);

useEffect Hook takes in two arguments: a callback function and a dependencies array, from which dependencies are optional.useEffect(() => {    callbackFunction();  }, [name]);If we provide a dependency item, say name, What does that mean?AIt means the callback function will be called on every rerender.BIt means the callback function will be called only once.CIt means the callback function will be called only if the dependencies value (in this case name) has changed.DAll of the above