Filter&Map Functions

JavaScript
1

Tell us what’s happening:
I am having a hard time figuring out why my code returns an empty array. Can someone help me with that please?

Your code so far

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const filteredList = watchList
.map(list=>({
  title: list.Title,
  rating: list.imdbRating
}))
.filter(list => parseFloat(list.imdbRating) >= 8.0)

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Challenge: Use the filter Method to Extract Data from an Array

Link to the challenge:

2

in your fitler callback, you try to access list.imdbRating, but your object has only a property called rating

1 Like
3

Hello!

That’s because you’re mapping the list and extracting only the title and rating, converting each item in the list to this before you filter it:

{
    title: '...',
    rating: 'N.N',
}

Hence the property doesn’t exist and is always false.

1 Like
4

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