Hi all, How to convert Javascript Array to Object

Question

I have this array

[ 0:'a', 1:'b', 2:'c']

I want convert this array to an object

{ 'a': true, 'b': true, 'c': true }

What is the best way ?

Does this answer your question? [Convert Array to Object](https://stackoverflow.com/questions/4215737/convert-array-to-object) — Józef Podlecki, Apr 27 '20 at 21:23

score 1 · Answer 1 · answered Apr 27 '20 at 21:27

1

array.reduce((acc, value) => {
  acc[value] = true;
  return acc;
})

Have a look at source

answered Apr 27 '20 at 21:27

Józef Podlecki

score 1 · Answer 2 · answered Apr 27 '20 at 21:31

1

You could map entries from the array and get an object.

var array = ['a', 'b', 'c'],
    result = Object.fromEntries(array.map(k => [k, true]));

console.log(result);

answered Apr 27 '20 at 21:31

Nina Scholz

2 Answers2