Update game.js

game.js

@@ -0,0 +1,66 @@
+// Function to generate a random 4-digit number without repeating digits and without the first digit being 0
+function generateRandomNumber() {
+    let num = [Math.floor(Math.random() * 9) + 1];
+    for (let i = 1; i < 4; i++) {
+        num.push(Math.floor(Math.random() * 10));
+    }
+    return num;
+}
+
+// Generate the random number
+let a;
+do {
+    a = generateRandomNumber();
+} while (new Set(a).size !== 4);
+
+alert("Generated number: " + a);
+
+// Main game loop
+while (true) {
+    // Get user input
+    let x = prompt("Enter your guess (type 'exit' to quit):");
+
+    // Check for exit command
+    if (x.toLowerCase() === 'exit') {
+        let confirmExit = confirm("Are you sure you want to exit the game?");
+        if (confirmExit) {
+            alert("Thanks for playing! Exiting the game.");
+            break;
+        } else {
+            continue;
+        }
+    }
+
+    // Check for repeated digits or first digit being 0
+    if (new Set(x).size !== 4 || x[0] === '0') {
+        alert("Invalid input. Please enter a 4-digit number with non-repeating digits and the first digit not being 0.");
+        continue;
+    }
+
+    let b = x.split('').map(Number);
+    let cow = 0;
+    let bull = 0;
+
+    // Check for bulls and cows
+    if (b.length > 4) {
+        alert("Invalid input. Please enter a 4-digit number with non-repeating digits and the first digit not being 0.");
+        continue;
+    }
+
+    for (let i = 0; i < 4; i++) {
+        if (b[i] === a[i]) {
+            cow += 1;
+        } else if (a.includes(b[i])) {
+            bull += 1;
+        }
+    }
+
+    // Provide feedback
+    alert("Bulls: " + bull + "\nCows: " + cow);
+
+    // Check if the player has won
+    if (cow === 4) {
+        alert("Congratulations! You won the game.");
+        break;
+    }
+}