JSFiddle - React, Tailwind, and code Playground

by Bryan Weaver

JavaScript

let accounts =[
	{
  	id: 129,
    contacts: [932, 552, 803]
  },
  {
  	id: 433,
    contacts: [932, 606]
  }
]

var contacts = [];

accounts.map(function(item){
	return item.contacts.map(function(contact){
  	contacts.push(contact)
  })
})

contactsWithNoDups = Array.from(new Set(contacts));

console.log(contacts);
console.log(contactsWithNoDups);