JSFiddle - React, Tailwind, and code Playground

JavaScript

let userIDs = new Map();

let user1 = {name: 'John'}, user2 = {name: 'Murray'}, user3 = {name: 'Jane'};

userIDs.set(user1, 1) .set(user2, 2) .set(user3, 3);

// Method 1

for (let [name, id] of userIDs) {
  console.log(name);
  console.log(id);
}

// Method 2

userIDs.forEach((name, id) => {
  console.log(name);
  console.log(id);
});