added orai

24_12_09/komponensek/src/Button.js

@@ -0,0 +1,18 @@
+import React from "react";
+import { useState } from "react";
+
+function Counter(){
+    const [count, setCount] = useState(0);
+
+    function handleClick(){
+        setCount(count + 1);
+    }
+
+    return (
+        <button onClick={handleClick}>
+            Ennyiszer nyomtál meg: {count}
+        </button>
+    )
+}
+
+export default Counter;