Completed week 5.js

arrays.js

@@ -16,6 +16,14 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+const inventory = ["Apples", "Bread", "Milk", "Eggs"];
+
+inventory.push("Oranges", "Bananas");
+
+inventory.shift();
+
+console.log("Updated inventory:", inventory);
+
 
 
 
@@ -40,6 +48,21 @@ Output: "Ali is present."
 
 // ✍️ Write your function here ✍️
 
+const students = ["Ali", "Fatima", "Hassan", "Layla"];
+
+function isPresent(name) {
+  if (students.includes(name)) {
+    return `${name} is present.`;
+  } else {
+    return `${name} is absent.`;
+  }
+}
+
+// Tusaale:
+console.log(isPresent("Ali"));      // Ali is present.
+console.log(isPresent("Mohamed"));  // Mohamed is absent.
+
+
 
 
 
@@ -67,6 +90,33 @@ 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) {
+  let player = topScorers.find(p => p.name === playerName);
+  if (player) {
+    player.score += scoreToAdd;
+  } else {
+    topScorers.push({ name: playerName, score: scoreToAdd });
+  }
+}
+
+function printLeaderboard() {
+  const sorted = [...topScorers].sort((a, b) => b.score - a.score);
+  console.log("🏆 Leaderboard:");
+  sorted.forEach((player, index) => {
+    console.log(`${index + 1}. ${player.name} - ${player.score} goals`);
+  });
+}
+
+// Tusaale:
+updateScore("Ronaldo", 2);
+printLeaderboard();
+
 
 
 

callbacks.js

@@ -18,6 +18,16 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+function welcomeMessage(name) {
+  console.log(`Welcome, ${name}!`);
+}
+
+function sendMessage(name, callback) {
+  callback(name);
+}
+
+// Tusaale:
+sendMessage("Amina", welcomeMessage);  // Output: Welcome, Amina!
 
 
 
@@ -48,6 +58,24 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+function evaluateTemperature(temp) {
+  if (temp > 30) {
+    console.log(`${temp}°C is Hot.`);
+  } else if (temp >= 15 && temp <= 30) {
+    console.log(`${temp}°C is Warm.`);
+  } else {
+    console.log(`${temp}°C is Cold.`);
+  }
+}
+
+function checkTemperature(temp, callback) {
+  callback(temp);
+}
+
+// Tusaalooyin:
+checkTemperature(35, evaluateTemperature);  // Output: 35°C is Hot.
+checkTemperature(22, evaluateTemperature);  // Output: 22°C is Warm.
+checkTemperature(10, evaluateTemperature);  // Output: 10°C is Cold.
 
 
 

objects.js

@@ -30,6 +30,26 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+const gamerProfile = {
+  username: "ShadowSlayer",
+  level: 5,
+  isOnline: false
+};
+
+function updateOnlineStatus(profile, status) {
+  profile.isOnline = status;
+
+  if (status) {
+    console.log(`${profile.username} is now online.`);
+  } else {
+    console.log(`${profile.username} is now offline.`);
+  }
+}
+
+// Tusaale:
+updateOnlineStatus(gamerProfile, true);   // Output: ShadowSlayer is now online.
+updateOnlineStatus(gamerProfile, false);  // Output: ShadowSlayer is now offline.
+
 
 
 /*
@@ -64,6 +84,22 @@ Expected Output:
 
 // ✍️ Solve it here ✍️
 
+const dress = {
+  name: "Evening Gown",
+  size: "M",
+  inStock: true
+};
+
+function checkAvailability(item) {
+  if (item.inStock) {
+    console.log(`${item.name} is available in size ${item.size}.`);
+  } else {
+    console.log(`${item.name} is out of stock.`);
+  }
+}
+
+// Tusaale:
+checkAvailability(dress);  // Output: Evening Gown is available in size M.
 
 
 /*
@@ -104,3 +140,33 @@ Features:
 */
 
 // ✍️ Solve it here ✍️
+
+// 1. Create the supercar object
+const supercar = {
+  model: "Ferrari SF90",
+  price: 500000,
+  features: {
+    color: "Red"
+  }
+};
+
+function addFeature(car, featureName) {
+  car.features[featureName] = true;
+  console.log(`${featureName.charAt(0).toUpperCase() + featureName.slice(1)} has been added to ${car.model}.`);
+
+  console.log("Features:");
+  for (let key in car.features) {
+    console.log(`- ${key}: ${car.features[key]}`);
+  }
+}
+
+// Tusaale:
+addFeature(supercar, "turbo");
+/*
+Output:
+Turbo has been added to Ferrari SF90.
+Features:
+- color: Red
+- turbo: true
+*/
+