implementing Array Destructuring in React State Updates Returning Undefined
I'm stuck on something that should probably be simple. I'm trying to update the state in my React component using array destructuring, but I'm running into a strange scenario where the updated state is returning `undefined` when I attempt to access it. I'm using React 17.0.2 and the state is initialized as an array. Here's a simplified example of my code: ```javascript import React, { useState } from 'react'; const MyComponent = () => { const [items, setItems] = useState(['apple', 'banana', 'cherry']); const updateItem = (index, newItem) => { const newItems = [...items]; newItems[index] = newItem; setItems(newItems); }; const handleChange = (index) => { updateItem(index, null); // Intentionally passing null to simulate an scenario }; console.log(items[1]); // Should log 'banana' return ( <div> {items.map((item, index) => ( <div key={index}> {item} <button onClick={() => handleChange(index)}>Change</button> </div> ))} </div> ); }; export default MyComponent; ``` The intention is to replace an item in the array with `null` temporarily for testing. However, when I log `items[1]`, sometimes it logs `undefined` instead of the expected `banana`, particularly after multiple updates. I have made sure that the index passed to `updateItem` is valid, and I even added a check before I set the state. I've considered using the functional update form of `setItems`, but I still need to pin down why the state seems inconsistent. Here’s an example of what I tried: ```javascript setItems(prevItems => { const newItems = [...prevItems]; newItems[index] = newItem; return newItems; }); ``` This still leads to the same scenario. Is this a common pitfall with React's state updates using array destructuring, or am I missing something fundamental? Any insights would be greatly appreciated! My development environment is macOS. Am I missing something obvious?