Answers for "what are the members of an object in JS"

objects in javascript

let car = {
  engineNumber: 1234
  brand: 'BMW',
  break: function (){}
}

adding function to objects js

var myObj = {
	myFunc: function(param){
      //do stuff
    }
}

js create object with properties

function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}