js array to object with keys

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showing results for - "js array to object with keys"
Kit
21 May 2017
1let arr = [{a: 'a', b: 1, c: 'c'}, {a: 'a', b: 2, c: 'c'}, {a: 'a', b: 3, c: 'c'}]:
2 let mapped = arr.reduce (function (map, obj) { 
3        map[obj.b] = obj; 
4        return map;
5      },{}); // reduce
6console.log (mapped); // {1: {a: 'a', b: 1, c: 'c'}, 2: {a: 'a', b: 2, c: 'c'}, 3: {a: 'a', b: 3, c: 'c'}
Juan Manuel
26 Mar 2016
1const convertArrayToObject = (array, key) =>
2  array.reduce(
3    (obj, item) => ({
4      ...obj,
5      [item[key]]: item
6    }),
7    {}
8  );
9
Nicolas
16 Feb 2019
1const arr = ['a','b','c'];
2const res = arr.reduce((a,b)=> (a[b]='',a),{});
3console.log(res)
Daniel
13 Jul 2020
1const subLocationTypes = (location.subLocationTypes || []).reduce((add, cur) => {
2add[cur.key] = cur.value;
3return add;
4}, {});
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