how to return object from map javascript code example

Example 1: object to map javascript

const map = new Map(Object.entries({foo: 'bar'}));

map.get('foo'); // 'bar'

Example 2: js map on object

import { map } from "ramda"

const double = x => x * 2;

const mappedObject = map(double, {x: 1, y: 2, z: 3}); //=> {x: 2, y: 4, z: 6}

Example 3: map a property from array of objects javascript

var result = objArray.map(function(a) {return a.foo;});