JS ARRAYS within objects code example

Example 1: arrays inside array of objects

var response = {data: [{users: [1,2,3]}, {users: [4,5,6]}]}

var users = response.data.map(o => o.users)

const usersCollection = [].concat(...users)

console.log(usersCollection)

Example 2: how to declare objects inside arrays in javascript

let cats = {
	name: 'bob',
  	children: [let child1 = {
               	console.log('this is how to create objects inside an array'];
               }]
};