Fix code error

Author: Zadri415

Sprint-2/2-mandatory-debug/2.js

@@ -2,6 +2,7 @@
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+// Since getLastDigit() does not declare any parameters, the arguments passed when calling it are going to be ignored
 
 const num = 103;
 
@@ -15,10 +16,25 @@ console.log(`The last digit of 806 is ${getLastDigit(806)}`);
 
 // Now run the code and compare the output to your prediction
 // =============> write the output here
+// The last digit of 42 is 3
+// The last digit of 105 is 3
+// The last digit of 806 is 3
 // Explain why the output is the way it is
 // =============> write your explanation here
+// The function getLastDigit() does not any parameters, but it is being called with argument:
+// getLastDigit(42), getLastDigit(105), and getLastDigit(806). Inside the function, it always uses the global const num, which is set to 103.
+// That means every call ignores the arguments and always returns the last digit of 103, which is "3"
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+ function getLastDigit(num){
+  return num.toString().slice(-1);
+
+}
+
+console.log(`The last digit of 42 is ${getLastDigit(42)}`);
+console.log(`The last digit of 105 is ${getLastDigit(105)}`);
+console.log(`The last digit of 806 is ${getLastDigit(806)}`);
+
 
 // This program should tell the user the last digit of each number.
 // Explain why getLastDigit is not working properly - correct the problem