30-seconds-of-code/snippets/object-from-key-value-pairs.md

Object from key-value pairs

Use Array.reduce() to create and combine key-value pairs.

const objectFromPairs = arr => arr.reduce((a,b) => (a[b[0]] = b[1], a), {});
// objectFromPairs([['a',1],['b',2]]) -> {a: 1, b: 2}