mapObject javascript Code Snippet in 2024
arrayobjectintermediate
Last Updated: 23 July 2024
Maps the values of an array to an object using a function.
- Use
Array.prototype.reduce()to applyfnto each element inarrand combine the results into an object. - Use
elas the key for each property and the result offnas the value.
const mapObject = (arr, fn) => arr.reduce((acc, el, i) => { acc[el] = fn(el, i, arr); return acc; }, {});
mapObject([1, 2, 3], a => a * a); // { 1: 1, 2: 4, 3: 9 }
javascript snippet similar to mapObject For You in July 2024
Subscribe to our Newsletter
Subscribe to get resources directly to your inbox. You won't receive any spam! ✌️