JSFiddle - React, Tailwind, and code Playground

JavaScript

function Employee(){
  this.name = 'joe'
  this.age = 1
  this.level = 1
  this.production = 400
  this.totalprod = 0
}

function makeEmployees(n) {
  var employees = new Array(n)
  for (var i = 0; i < n; ++i) {
    employees[i] = new Employee()
  }
  return employees
}

function makeEmployeesObj(n) {
  var employees = {}
  for (var i = 0; i < n; ++i) {
    employees[i] = new Employee()
  }
  return employees
}

var e1 = makeEmployees(5)
var e2 = makeEmployeesObj(5)

console.log(e1)
console.log(e2)