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fTurned cardNumber to string before slicing to extract last 4 digits
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  • Sprint-1/2-mandatory-errors

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

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,8 @@
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const cardNumber = 4533787178994213;
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const last4Digits = cardNumber.slice(-4);
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const last4Digits = String(cardNumber).slice(-4);
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//I think it won't work because slice is not used for numbers, it's used for strings and arrays.
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console.log(last4Digits);
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// It gives an error because cardNumber is a number and slice is a method for strings and arrays.
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// The last4Digits variable should store the last 4 digits of cardNumber
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// However, the code isn't working

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