Can someone explain to me why this .reduce() function returns "undefined"? | Scrimba | Page 1

tulip harness Feb 9, 2024, 8:55 PM

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The arrow function version of my code works as expected and logs the correct value, however, the long notation gives me 'undefined' as a result.

fickle heath Feb 9, 2024, 8:59 PM

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looks ok... can you setup a scrim to show?

tulip harness Feb 9, 2024, 9:32 PM

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Yeah, give me a sec @fickle heath

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https://scrimba.com/scrim/co84a4c51b41471a01a0f3485

fickle heath Feb 9, 2024, 9:33 PM

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Uncomment line 10... you need to return from the function

tulip harness Feb 9, 2024, 9:34 PM

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Do I need BOTH returns?

fickle heath Feb 9, 2024, 9:35 PM

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yep, the inner return is only to return for the reduce() callback... you need this for each item THEN you need to return the total that's calculated for the function

tulip harness Feb 9, 2024, 9:35 PM

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https://media.tenor.com/MHTJuTeuQw8AAAAM/whoa-woah.gif

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Thank you Bill :)

fickle heath Feb 9, 2024, 9:36 PM

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👍

#Can someone explain to me why this .reduce() function returns "undefined"?