Reformatting Array Objects Javascript

Question

I have an array of objects that looks like this:

[
  { apreciated_id: "123g1b1b23kbb3" },
  { apreciated_id: "asd567sad5a7sd" },
  { apreciated_id: "4hk3kjh234kjh4" }  
]

But I want it to look like this: ‍

["123g1b1b23kbb3", "asd567sad5a7sd", "4hk3kjh234kjh4"]

How can I do it?

`Array.prototype.map` – Daniel A. White Aug 22 '20 at 00:29 — Daniel A. White, Aug 22 '20 at 00:29

score 0 · Accepted Answer · answered Aug 22 '20 at 00:04

0

Something like this should do it:

const arr = [
  { apreciated_id: "123g1b1b23kbb3" },
  { apreciated_id: "asd567sad5a7sd" },
  { apreciated_id: "4hk3kjh234kjh4" }  
]

const result = arr.map(obj => obj.apreciated_id)

Map takes an array of length n of some type (in this case objects) and trasnforms it according to a function, to an array of length n of some other type (in this case strings)

answered Aug 22 '20 at 00:04

akaphenom

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Thank you so much! It works! and now I get it – learnbydoing Aug 22 '20 at 00:10

score 0 · Answer 2 · answered Aug 22 '20 at 00:08

You can use the map() function to "transform" the array.

let arr = [
    { apreciated_id: "123g1b1b23kbb3" },
    { apreciated_id: "asd567sad5a7sd" },
    { apreciated_id: "4hk3kjh234kjh4" }  
];

let res = arr.map(a => a.apreciated_id);

console.log(res);

Reformatting Array Objects Javascript

2 Answers2