Skip to content

Commit 43b8618

Browse files
committed
git commit -m "Fix card number slice error"
1 parent 1abe61a commit 43b8618

1 file changed

Lines changed: 8 additions & 2 deletions

File tree

  • Sprint-2/2-mandatory-errors

‎Sprint-2/2-mandatory-errors/3.js‎

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,15 @@
1-
const cardNumber = 4533787178994213;
2-
const last4Digits = cardNumber.slice(-4);
1+
//const cardNumber = 4533787178994213;
2+
//const last4Digits = cardNumber.slice(-4);
33

44
// The last4Digits variable should store the last 4 digits of cardNumber
55
// However, the code isn't working
66
// Before running the code, make and explain a prediction about why the code won't work
77
// Then run the code and see what error it gives.
88
// Consider: Why does it give this error? Is this what I predicted? If not, what's different?
99
// Then try updating the expression last4Digits is assigned to, in order to get the correct value
10+
11+
// I predict the code will give an error because cardNumber is a number, and slice() works on strings.
12+
//const last4Digits = String(cardNumber).slice(-4);
13+
const cardNumber = 4533787178994213;
14+
15+
const last4Digits = String(cardNumber).slice(-4);

0 commit comments

Comments
 (0)