converted string back to a number

Author: JohnnyBoyV

Sprint-1/2-mandatory-errors/3.js

@@ -1,5 +1,5 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.toString().slice(-4);
+const last4Digits = Number(cardNumber.toString().slice(-4));
 
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
@@ -12,4 +12,5 @@ const last4Digits = cardNumber.toString().slice(-4);
 // I predict an error will happen because cardNumber is a number and not a string and slice can not be used for pure numbers.
 // We can fix it by turning the number into a string by using .toString() before we slice it.
 
-console.log("The last four digits are: " + last4Digits);
+console.log("The last four digits are: " + last4Digits);
+console.log("This is a " + typeof last4Digits)