--- title: pick tags: object,intermediate firstSeen: 2017-12-13T23:51:34+02:00 lastUpdated: 2020-10-18T14:58:09+03:00 --- Picks the key-value pairs corresponding to the given keys from an object. - Use `Array.prototype.reduce()` to convert the filtered/picked keys back to an object with the corresponding key-value pairs if the key exists in the object. ```js const pick = (obj, arr) => arr.reduce((acc, curr) => (curr in obj && (acc[curr] = obj[curr]), acc), {}); ``` ```js pick({ a: 1, b: '2', c: 3 }, ['a', 'c']); // { 'a': 1, 'c': 3 } ```