prediction & explanation

Author: bodoszidi

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

@@ -1,11 +1,16 @@
 // Predict and explain first...
+  // the function should get the last digit of the given parameter - 
+  // but the parameter is the already existing variable
 
 // Predict the output of the following code:
 // =============> Write your prediction here
+  //already assigned variable num will be returned as we not defined the parameter inside the return
+
 
 const num = 103;
 
-function getLastDigit() {
+
+function getLastDigit(num) {
   return num.toString().slice(-1);
 }
 
@@ -15,10 +20,22 @@ 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
+  //every time we call the function we return the same number as this is already assigned inside line 10
 // Explain why the output is the way it is
 // =============> write your explanation here
+  //we need to give the parameter to the function to be able to use the arguments in the console log
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+  //const num = 103;
+
+
+  //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