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Sometimes you will need to create two objects. They may be identical in structure but could differ in properties/value. An easy way (quick Á dirty) is to serialize them.
https://stackoverflow.com/questions/1068834/object-comparison-in-javascript
function Car(color, speed)
{
this.Color = color;
this.Speed = speed;
}
let car1 = new Car("Red", "Fast");
let car2 = {};
Object.assign(car2, car1);
// even though they are diff objs, this should test TRUE.
let comparison1 = (JSON.stringify(car1) === JSON.stringify(car2));
let results1 = `Are they the same? ${comparison1}`;
Now change one....
// now change one....
car2.Color = "Brown";
car2.Speed = "Slow";
let comparison2 = (JSON.stringify(car1) === JSON.stringify(car2));
let results2 = `Are they the same? ${comparison2}`;