30-seconds-of-code/snippets/objectFromPairs.md

objectFromPairs

Creates an object from the given key-value pairs.

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

const objectFromPairs = arr => arr.reduce((a, v) => (a[v[0]] = v[1], a), {});

objectFromPairs([['a',1],['b',2]]) // {a: 1, b: 2}