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lines changed Original file line number Diff line number Diff line change @@ -2,7 +2,7 @@ const minimum = 1;
22const maximum = 100 ;
33
44const num = Math . floor ( Math . random ( ) * ( maximum - minimum + 1 ) ) + minimum ;
5-
5+ console . log ( num ) ;
66// In this exercise, you will need to work out what num represents?
77// Try breaking down the expression and using documentation to explain what it means
88// It will help to think about the order in which expressions are evaluated
Original file line number Diff line number Diff line change 1- const cardNumber = 4533787178994213 ;
1+ const cardNumber = " 4533787178994213" ;
22const last4Digits = cardNumber . slice ( - 4 ) ;
3+ console . log ( last4Digits )
34
45// The last4Digits variable should store the last 4 digits of cardNumber
56// However, the code isn't working
67// Before running the code, make and explain a prediction about why the code won't work
78// Then run the code and see what error it gives.
89// Consider: Why does it give this error? Is this what I predicted? If not, what's different?
910// Then try updating the expression last4Digits is assigned to, in order to get the correct value
11+
12+ // Slice() works on String(characters) not number
13+ //Numbers Don't have Indexes and strings do
14+ // So converting to String allowed me to cut the last 4 Digit of the card number.
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