26 lines
1.2 KiB
Markdown
26 lines
1.2 KiB
Markdown
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---
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title: Use the map Method to Extract Data from an Array
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---
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## Use the map Method to Extract Data from an Array
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##  Hint: 1
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array.prototype.map takes a function as in input and returns an array. The returned array includes elements that is processed by the function. This function takes individual elements as input.
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## Spoiler Alert!
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**Solution ahead!**
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##  Intermediate Code Solution:
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```javascript
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rating = watchList.map( (item) => ({"title":item["Title"], "rating":item["imdbRating"]}) );
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```
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### Code Explanation:
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Using ES6 notation, each item in array is processed to extract title and rating.
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Parantheses are needed to return an object.
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#### Relevant Links
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* <a href='https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions' target='_blank' rel='nofollow'>Arrow Functions</a>
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