completed 2-madatory-debug

Author: libanj0161

Sprint-2/2-mandatory-debug/0.js

@@ -1,7 +1,7 @@
 // Predict and explain first...
 
 // =============> write your prediction here
-
+// the function will not return anything.
 function multiply(a, b) {
   console.log(a * b);
 }
@@ -10,5 +10,13 @@ console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);
 
 // =============> write your explanation here
 
+// declared a variable called result and stored a*b.
+
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+function multiply(a, b) {
+  console.log(a * b);
+  const result = a*b;
+  return result;  
+}
+console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);

Sprint-2/2-mandatory-debug/1.js

@@ -1,13 +1,20 @@
 // Predict and explain first...
 //  =============> write your prediction here
-
+// This appears correct. The function has been defined and called sum, a is 10 and b is 32 so we should get 42.
 function sum(a, b) {
   return;
-  a + b;
+a + b;
 }
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);
 
 // =============> write your explanation here
+// The sum of 10 and 32 is undefined. On line five the function has been exited because of the ; this because the function doesn't return anything.
 // Finally, correct the code to fix the problem
 //  =============> write your new code here
+
+  function sum(a, b) {
+  return a + b;
+}
+
+console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);

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

@@ -3,6 +3,7 @@
 // Predict the output of the following code:
 // =============> Write your prediction here
 
+// It will return three as a string.
 const num = 103;
 
 function getLastDigit() {
@@ -15,10 +16,22 @@ 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
+// "3"
+
 // Explain why the output is the way it is
 // =============> write your explanation here
+// This is because they've defined num as 103, and they've used num inside the function, last digit of 103 is 3. 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
 
+function getLastDigit(aNumber) {
+  return aNumber.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
+// This is because they've defined num as 103 so the result will always be 3. The arguments should be used instead (42, 105, and 806) and num should not be used.