second assignment

arrays.js

@@ -15,6 +15,10 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+const inventory = ['apples','Bread','milk','eggs']
+inventory.push('oranges','Bananas')
+inventory.pop()
+console.log('updated inventory ',inventory)
 
 
 
@@ -40,6 +44,17 @@ Output: "Ali is present."
 
 // ✍️ Write your function here ✍️
 
+const student = ['ali','fatima','hassan','layla'];
+function isPresent(name){
+  if (student.includes(name)){
+    return `${name}is present.`;
+  }else{
+    return `${name}is absent.`;
+  }
+
+}console.log(isPresent('ali'));
+console.log(isPresent(''));
+
 
 
 
@@ -66,6 +81,41 @@ Output: Sorted leaderboard with updated scores
 */
 
 // ✍️ Write your functions here ✍️
+const topScorers = [
+  { name: "Messi", score: 5 },
+  { name: "Ronaldo", score: 3 },
+  { name: "Neymar", score: 4 }
+];
+
+
+function updateScore(playerName, scoreToAdd) {
+  const player = topScorers.find(player => player.name === playerName);
+
+  if (player) {
+      // If the player exists, add the score to their total
+      player.score += scoreToAdd;
+  } else {
+      // If the player doesn't exist, add them to the leaderboard
+      topScorers.push({ name: playerName, score: scoreToAdd });
+  }
+}
+
+// Function to print the leaderboard
+function printLeaderboard() {
+  // Sort the leaderboard in descending order of scores
+  const sortedLeaderboard = [...topScorers].sort((a, b) => b.score - a.score);
+
+  // Print the leaderboard
+  console.log("Leaderboard:");
+  sortedLeaderboard.forEach((player, index) => {
+      console.log(`${index + 1}. ${player.name} - ${player.score}`);
+  });
+}
+updateScore("Ronaldo", 2); 
+updateScore("Mbappe", 6);  
+printLeaderboard();
+
+
 
 
 
@@ -139,3 +189,59 @@ Final Output:
 - "Congratulations! You found the ultimate treasure!" (if all conditions are met)
 
 */
+// Input Data
+const clues = ["Map", "Compass", "Key", "Shovel"];
+const clueMessages = ["ppaM", "ssapmoC", "yeK", "levohS"];
+const treasureMapSteps = ["Start at the beach", "Cross the forest", "Climb the mountain", "Danger", "Treasure"];
+
+function findClue(cluesArray, clueName) {
+    if (cluesArray.includes(clueName)) {
+        return `Clue ${clueName} found!`;
+    } else {
+        return `Clue ${clueName} is missing, search again!`;
+    }
+}
+
+// 2. Function to decipher scrambled messages
+function decipherMessage(messages) {
+    const deciphered = messages.map(message => message.split("").reverse().join(""));
+    return deciphered;
+}
+
+// 3. Function to follow the treasure map steps
+function followSteps(steps) {
+    for (let i = 0; i < steps.length; i++) {
+        console.log(`Step ${i + 1}: ${steps[i]}`);
+        if (steps[i] === "Danger") {
+            console.log("Stopped at danger. Cannot continue.");
+            return false; // Journey ends at danger
+        }
+    }
+    return steps[steps.length - 1] === "Treasure"; 
+}
+
+function ultimateTreasureHunt(cluesArray, messagesArray, stepsArray) {
+
+    const decipheredClues = decipherMessage(messagesArray);
+
+    // Check all clues
+    for (let clue of cluesArray) {
+        const clueCheck = findClue(decipheredClues, clue);
+        console.log(clueCheck);
+        if (clueCheck.includes("missing")) {
+            console.log("The treasure remains hidden. Try again!");
+            return;
+        }
+    }
+
+    // Follow the steps
+    const treasureFound = followSteps(stepsArray);
+
+    // Determine the final result
+    if (treasureFound) {
+        console.log("Congratulations! You found the ultimate treasure!");
+    } else {
+        console.log("The treasure remains hidden. Try again!");
+    }
+}
+

callbacks.js

@@ -17,6 +17,21 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+function theCallBackFunction(name) {
+  console.log(`Welcome, ${name}!`);
+}
+
+function sendMessage(userName, callback) {
+  callback(userName);
+}
+sendMessage("Amina", theCallBackFunction);
+
+const gamerProfile = {
+  username: "ShadowSlayer",
+  level: 5,
+  isOnline: false
+};
+
 
 
 
@@ -47,6 +62,23 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+function temperatureEvaluator(temp) {
+  let status;
+  if (temp > 30) {
+      status = "Hot";
+  } else if (temp >= 15 && temp <= 30) {
+      status = "Warm";
+  } else {
+      status = "Cold";
+  }
+  console.log(`${temp}°C is ${status}.`);
+}
+
+// Example usage:
+checkTemperature(35, temperatureEvaluator); 
+checkTemperature(22, temperatureEvaluator);
+checkTemperature(10, temperatureEvaluator); 
+
 
 
 
@@ -71,5 +103,39 @@ Expected Output:
 - If user's input is "10": "Correct!"
 - If user's input is "15": "Incorrect. The correct answer is 10."
 */
-
-// ✍️ Solve it here ✍️
+function checkTemperature(temp, callback) {
+  callback(temp);
+}
+
+function temperatureEvaluator(temp) {
+  let status;
+  if (temp > 30) {
+      status = "Hot";
+  } else if (temp >= 15 && temp <= 30) {
+      status = "Warm";
+  } else {
+      status = "Cold";
+  }
+  console.log(`${temp}°C is ${status}.`);
+}
+
+// Example usage:
+checkTemperature(35, temperatureEvaluator); // "35°C is Hot."
+checkTemperature(22, temperatureEvaluator); // "22°C is Warm."
+checkTemperature(10, temperatureEvaluator); // "10°C is Cold."
+
+function evaluateAnswer(question, correctAnswer, callback) {
+  const userAnswer = prompt(question);
+  callback(userAnswer.trim(), correctAnswer);
+}
+
+function answerEvaluator(userAnswer, correctAnswer) {
+  if (userAnswer.toLowerCase() === correctAnswer.toLowerCase()) {
+      console.log("Correct!");
+  } else {
+      console.log(`Incorrect. The correct answer is ${correctAnswer}.`);
+  }
+}
+
+// Example usage:
+evaluateAnswer("What is 5 + 5?", "10", answerEvaluator);

index.html

@@ -3,7 +3,9 @@
     <head>Week 5 Assignment</head>
     <body>
         <h1>Look at the console to see the results</h1>
-
-        <!-- Before starting, add the javascript files in this html fie -->
+
     </body>
+    <script src="arrays.js"></script>
+    <script src="callbacks.js"></script>
+    <script src="objects.js"></script>
 </html>

objects.js

@@ -29,6 +29,17 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+function updateOnlineStatus(profile, status) {
+   // Update the isOnline property
+   profile.isOnline = status;
+
+   // Log the appropriate message based on the status
+   if (status) {
+       console.log(`${profile.username} is now online.`);
+   } else {
+       console.log(`${profile.username} is now offline.`);
+   }
+ }
 
 
 
@@ -63,6 +74,24 @@ Expected Output:
 */
 
 // ✍️ Solve it here ✍️
+const dress = {
+   name: "Evening Gown",
+   size: "M",
+   inStock: true
+ };
+
+ // Define the checkAvailability function
+ function checkAvailability(dress) {
+   if (dress.inStock) {
+     console.log(`${dress.name} is available in size ${dress.size}.`);
+   } else {
+     console.log(`${dress.name} is out of stock.`);
+   }
+ }
+
+ // Example usage
+ checkAvailability(dress);
+
 
 
 
@@ -104,3 +133,40 @@ Features:
 */
 
 // ✍️ Solve it here ✍️
+function checkAvailability(dress) {
+   if (dress.inStock) {
+     console.log(`${dress.name} is available in size ${dress.size}.`);
+   } else {
+     console.log(`${dress.name} is out of stock.`);
+   }
+ }
+
+ checkAvailability(dress);
+
+
+ function checkAvailability(dress) {
+   if (dress.inStock) {
+     console.log(`${dress.name} is available in size ${dress.size}.`);
+   } else {
+     console.log(`${dress.name} is out of stock.`);
+   }
+ }
+
+ const supercar = {
+   model: "Ferrari SF90",
+   price: 500000,
+   features: {
+     color: "Red",
+   },
+ };
+
+ function addFeature(supercar, featureName) {
+   supercar.features[featureName] = true;
+   console.log(`${featureName.charAt(0).toUpperCase() + featureName.slice(1)} has been added to ${supercar.model}.`);
+ }
+
+ addFeature(supercar, "turbo");
+
+ console.log("Features:");
+ for (const key in supercar.features) 
+   console.log(`- ${key}: ${supercar.features[key]}`);