how to create object of objects in javascript code example

Example 1: Build JavaScript Objects

var myDog = {
  name: "gozi",
  legs: 4,
  tails: 1,
  friends: ["Ted", "Fred"]
};

Example 2: objects javascript

function Dog() {
  this.name = "Bailey"; 
  this.colour = "Golden"; 
  this.breed = "Golden Retriever";
  this.age = 8;
}

Example 3: js create new object

let bike = {   name: 'SuperSport',    maker:'Ducati',    start: function() {       console.log('Starting the engine...');   }};bike.start();   //Output: Starting the engine.../* Adding method stop() later to the object */bike.stop = function() {    console.log('Applying Brake...');  }bike.stop();    //Output: Applying Brake...