how i create an object in js code example

Example 1: objects javascript

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

Example 2: make an object javascript

class ObjectLayout {
	constructor() {
    	this.firstName = "Larry"; //property
    }
  
  	sayHi() { // Method
    	return `Hello from ${this.firstName}`;
    }
}

const object = new ObjectLayout();
// object.firstName is Larry;
// object.sayHi() gives "Hello from Larry"