class Car {}  

let car1 = new Car();
let car2 = new Car();
let car3 = car1;

let equal1 = car1 === car2;
//equal1 is false

let equal2 = car1 === car3;
//equal2 is true

console.log(`equal1 is ${equal1}`);
console.log(`equal2 is ${equal2}`);