3.js updated

Author: Fithi-Teklom

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

@@ -1,9 +1,8 @@
 const cardNumber = 4533787178994213;
-const last4Digits = cardNumber.slice(-4);
+const last4Digits = cardNumber.toString().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.
-// Consider: Why does it give this error? Is this what I predicted? If not, what's different?
-// Then try updating the expression last4Digits is assigned to, in order to get the correct value
+console.log(last4Digits);
+
+//I predicted the error which is type error. cardNumber is a number not a string.
+//.slice() only works on strings (or arrays).
+//Numbers in JavaScript do not have a slice method.