solve exec. sprint-1/2-mandatory-errors/3.js

Author: PandiSimatupang

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

@@ -1,9 +1,13 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
+const cardNumberStr = cardNumber.toString();
+const last4Digits = cardNumberStr.slice(-4);
 
 // The last4Digits variable should store the last 4 digits of cardNumber
 // However, the code isn't working
 // Before running the code, make and explain a prediction about why the code won't work
 // Then run the code and see what error it gives.
+console.log(last4Digits);
 // Consider: Why does it give this error? Is this what I predicted? If not, what's different?
+//can not slice a number, the given card number is integer NOT a List or array
 // Then try updating the expression last4Digits is assigned to, in order to get the correct value
+//fix by give double quotes to turn the number to sting or make a new variable assign cardNumber.toString()