Avoiding using if-else statements

gistfile1.txt

function _ifElseFn(condition, cb, cb2){
	var result = {true:cb,false:cb2};
	return result[condition]();
}

function sayYourCarIsOld(){
	console.log('your car is old');
}

function sayYourCarIsNew(){
	console.log('your car is new');
}

var newCar = false;

_ifElseFn(newCar,sayYourCarIsNew,sayYourCarIsOld);

newCar = true;

_ifElseFn(newCar,sayYourCarIsNew,sayYourCarIsOld);