Coding Cloud

Object.fromEntries

JS
S
JavaScript

ES2019 new feature - Transforms array [key, value] and List [key,value] into a literal object

1const map = new Map().set("id", 1).set("name", "John"); 
2const arr = [["id", 1], ["name", "John"]]; 
3const mapObj = Object.fromEntries(map); 
4const arrObj = Object.fromEntries(arr); 
5console.log(mapObj); // {id: 1, name: ‘John’} 
6console.log(arrObj); // {id: 1, name: ‘John’}

Created on 4/17/2019