var car1={
	color: "red",
	type: "car",
	make: {
		tires: 4,
		doors: 2,
		year: 1998
	}
}
var car2={
	color: "blue",
	type: "truck",
	make: {
		tires: 4,
		doors: 4,
		year: 2001
	}
}

function deepEqual(car1, car2){
	for(var key1 in car1){
		console.log(`Object1.${key1} contains ${car1[key1]}`);
		if(typeof car1[key1]=='object'){
			deepEqual(car1[key1], car2);
		}
//		console.log("Object1."+key1+" contains " + car1[key1]);
	}

	for(var key2 in car2){
		console.log(`Object2.${key2} contains ${car1[key2]}`);
	}
}

deepEqual(car1, car2);