diff --git a/javascript/Javascript Expert/chapter09/challenge1.js b/javascript/Javascript Expert/chapter09/challenge1.js
new file mode 100644
index 0000000..f6e7626
--- /dev/null
+++ b/javascript/Javascript Expert/chapter09/challenge1.js	
@@ -0,0 +1,114 @@
+const game = {
+  team1: "Bayern Munich",
+  team2: "Borrussia Dortmund",
+  players: [
+    [
+      "Neuer",
+      "Pavard",
+      "Martinez",
+      "Alaba",
+      "Davies",
+      "Kimmich",
+      "Goretzka",
+      "Coman",
+      "Muller",
+      "Gnarby",
+      "Lewandowski",
+    ],
+    [
+      "Burki",
+      "Schulz",
+      "Hummels",
+      "Akanji",
+      "Hakimi",
+      "Weigl",
+      "Witsel",
+      "Hazard",
+      "Brandt",
+      "Sancho",
+      "Gotze",
+    ],
+  ],
+  score: "4:0",
+  scored: ["Lewandowski", "Gnarby", "Lewandowski", "Hummels"],
+  date: "Nov 9th, 2037",
+  odds: {
+    team1: 1.33,
+    x: 3.25,
+    team2: 6.5,
+  },
+};
+
+const [player1, player2] = game.players;
+const [gk, ...fieldPlayers] = player1;
+const allPlayers = [...player1, ...player2];
+const playersFinal = [...player1, "Thiago", "Countinho", "Periscic"];
+const {
+  odds: { team1, x: draw, team2 },
+} = game;
+const printGoals = function (...players) {
+  console.log(`${players.length} goals we are scored`);
+};
+
+team1 < team2 && console.log("Team 1 is more likely to win");
+team1 > team2 && console.log("Team 2 is more likely to win");
+
+printGoals(...game.scored);
+const weekdays = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"];
+
+// sehe den Kommentar unten
+const openingHours = {
+  [weekdays[3]]: {
+    open: 12,
+    close: 22,
+  },
+  [weekdays[4]]: {
+    open: 11,
+    close: 23,
+  },
+  [weekdays[5]]: {
+    open: 0, // Open 24 hours
+    close: 24,
+  },
+};
+
+const restaurant = {
+  name: "Classico Italiano",
+  location: "Via Angelo Tavanti 23, Firenze, Italy",
+  categories: ["Italian", "Pizzeria", "Vegetarian", "Organic"],
+  starterMenu: ["Focaccia", "Bruschetta", "Garlic Bread", "Caprese Salad"],
+  mainMenu: ["Pizza", "Pasta", "Risotto"],
+  order: function (starterIndex, mainIndex) {
+    return [this.starterMenu[starterIndex], this.mainMenu[mainIndex]];
+  },
+  // man kann ein Objekt außerhalb eines anderen Objectes definieren, und es nachträglich bei einem anderen Objekt verwenden
+  openingHours,
+  orderDelivery: function ({
+    starterIndex = 1,
+    mainIndex = 0,
+    time = "20:00",
+    address,
+  }) {
+    console.log(
+      `Order recieved! ${this.starterMenu[starterIndex]} and ${this.mainMenu[mainIndex]} will be delivered to ${address} at ${time}`
+    );
+  },
+};
+
+console.log(openingHours);
+
+// console.log(restaurant.openingHours.sum?.open);
+
+const menu = [...restaurant.starterMenu, ...restaurant.mainMenu];
+for (const item of menu) {
+  console.log(item);
+}
+
+for (const [index, item] of menu.entries()) {
+  //   console.log(item);
+  //   console.log(`${item[0]} : ${item[1]}`);
+  //   console.log(...item);
+  console.log(`${index} : ${item}`);
+}
+// optional chaning Operator, gibt kein Fehler aus, wenn eine Eigenschaft/Variable/Wert eines Objektes nicht existiert
+console.log(restaurant.openingHours.mon?.open);
diff --git a/javascript/Javascript Expert/chapter09/destructuringObjects.js b/javascript/Javascript Expert/chapter09/destructuringObjects.js
index 520dafb..11a0f97 100644
--- a/javascript/Javascript Expert/chapter09/destructuringObjects.js	
+++ b/javascript/Javascript Expert/chapter09/destructuringObjects.js	
@@ -9,7 +9,7 @@ const david = {
 const { firstName, lastName, age } = david;
 console.log(firstName, lastName, age);
 
-const restauraunt = {
+const restaurant = {
   name: "Classico Italiano",
   location: "Via Angelo Tavanti 23, Firenze, Italy",
   categories: ["Italian", "Pizzeria", "Vegetarian", "Organic"],
diff --git a/javascript/Javascript Expert/chapter09/index.html b/javascript/Javascript Expert/chapter09/index.html
index 4d769c8..366f80d 100644
--- a/javascript/Javascript Expert/chapter09/index.html	
+++ b/javascript/Javascript Expert/chapter09/index.html	
@@ -5,7 +5,7 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Destructuring Objects</title>
-    <script src="shortCircuitOperators.js"></script>
+    <script src="challenge1.js"></script>
   </head>
   <body></body>
 </html>