Learn Asynchronous Programming by Building an fCC Forum Leaderboard - Step 61

I don’t know what I am doing wrong here:

const userAvatarUrl = (avatar) => avatar.startsWith("/user_avatar/") ? avatarUrl.concat(avatar) : avatar;

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Learn Asynchronous Programming by Building an fCC Forum Leaderboard - Step 61

Can you explain why you are including the following?

(avatar) =>
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I thought it had to be an arrow function. Thank you I was trying all variations and I didn’t see that as the problem

It is a normal course of action for people when they are uncertain or quite not know to try “all” variations. That’s why I asked you to explain, in the hope you’d initiate an internal questioning of what you understood.

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