exercise 1.13

part1/src/App.js

@@ -21,16 +21,25 @@ const App = () => {
 	]
 
 	const [selected, setSelected] = useState(0)
+	const [scores, setScores] = useState(Array(anecdotes.length).fill(0))
 
 	const randomText = () => {
 		const value = Math.floor(Math.random() * anecdotes.length)
 		setSelected(value)
 	}
 
+	const VoteUp = () => {
+		const copy = [...scores]
+		copy[selected] += 1
+		setScores(copy)
+	}
+
 	return (
 		<div>
 			<Button handler={randomText} text="Randomize" />
-			{anecdotes[selected]}
+			<Button handler={VoteUp} text="Vote" />
+			<p>{anecdotes[selected]}</p>
+			<p>Votes: {scores[selected]}</p>
 		</div>
 	)
 }